profile

Prof. Ravi Kumar

Professor

My research interests include Functional oxide materials and their applications: spintronics, magnetism and transparent conducting oxides.

Name : Prof. Ravi Kumar
Designation : Professor
Department : Material Science & Engineering
Qualification : PhD
Phone : 9814941401
Email ID : ranade65@nith.ac.in
Google Scholar Link : View

General Information



Name : Prof. Ravi Kumar
Designation : Professor
Department : Material Science & Engineering
Qualification : PhD
Date of Birth : 12/12/1965
Date of joining : 14/09/2009

Contact Details

Phone : 9814941401
Email ID : ranade65@nith.ac.in

Specialization

Material Science and Engineering

Position Held



Position Department Name Institute Name Time Period

Educational Qualification



Name of the Degree Year of Passing Institute/University
Ph.D. in Physics 1994 Tata Institute of Fundamental Research (TIFR) Mumbai
M.Sc. (Hons.) in Physics 1988 Guru Nanak Dev University, Amritsar
B.Sc. (Hons) in Physics 1987 Guru Nanak Dev University, Amritsar
Pre-Engineering 1984 Khalsa College Amritsar

Honors & Recognitions Achieved



Sr.No. Title Activity Given By Year
1 President’s Visitor Nominee for Central Universities I am regularily going to attend the selection committees at Central Univervesity of Rajasthan. Central University of Rajasthan 2017
2 Executive Council member of Central University of Himachal Pradesh I am regularily attending all the meeting of EC Central University of Himachal Pradesh, Dharmshala 2017
3 Member BOG, Punjab Technical University, Kapurthala I have attended all the meeting of BOG I K Gujral Punjab Technical University, Kapurthala 2015
4 Dean Physical and Mathemetical sciences, I K Gujral PTU, Kapurthala I have regularily attened the Academic Council meetings and selection committee meetings I K Gujral PTU 2015
5 Mentor in INSPIRE prohram in Himachal Pradesh, Punjab and J&K Delivered lectures in INSPIRE programs I) SSM College, Dinanagar, II) CKS Himachal Pradesh Agriculture University, Palampur III) Maharaja Lakshman Sen Memorila College Sundernagar, IV) NIT Srinagar. 2012

Research Experience



Research Interests : Strongly correlated electronic oxide materials, High-Temperature Superconductors and the study of flux dynamics, Colossal Magneto-resistance materials, Spintronics, Nano Ferrites, Multi-ferroic Materials, Polymer nano-Composites
Brief Research Statement : My group is working on Magnetic oxide materials (spintronics, multiferroics, CMR, nano-structues and thin films) and transparent conducting oxides (p-type and n-types) thin films

Journal Publications



Year Author(s) Title & Vol. No. Journal Name Indexing (SCI) Web of Science/Scopus
2008 Shalendra Kumar, Ravi Kumar, P. Thakur, K.H. Chae, S.K. Sharma, Alimuddin Electronic structure studies of Mg0.95Mn0.05Fe2−2xTi2xO4 (0≤x≤0.8) Journal of Magnetism and Magnetic Materials SCI
2008 K.V. Madhu, Ravi Kumar, M. Ravindra, R. Damle Investigation of deep level defects in copper irradiated bipolar junction transistor Solid-State Electronics SCI
2008 S.N. Dolia, Ravi Kumar, S.K. Sharma, M.P. Sharma, Subhash Chander, M. Singh Magnetic behaviour of nanocrystalline Ni–Cu ferrite and the effect of irradiation by 100 MeV Ni ions Current Applied Physics SCI
2008 Shalendra Kumar, S.K. Sharma, Alimuddin, M. Knobel, R.J. Choudhary, Chan Gyu Lee, B.H. Koo, Ravi Kumar Structural and magnetic properties of bulk and thin films of Mg0.95Mn0.05Fe2O4 Current Applied Physics SCI
2008 S K Sharma, Ravi Kumar, Shalendra Kumar, M Knobel, C T Meneses, V V Siva Kumar, V R Reddy, M Singh and C G Lee Role of interparticle interactions on the magnetic behavior of Mg0.95Mn0.05Fe2O4 ferrite nanoparticles J. Phys.: Condens. Matter SCI
2008 S K Sharma, P Kumar, Ravi Kumar, M Knobel, P Thakur, K H Chae, W K Choi, R Kumar and D Kanjilal Local structure, optical and magnetic studies of Ni nanostructures embedded in a SiO2 matrix by ion implantation J. Phys.: Condens. Matter SCI
2008 M Wasi Khan, Ravi Kumar, R J Choudhary, J P Srivastava, S I Patil and W K Choi Electrical transport and 1/f noise properties of LaFe1−xNixO3 (x = 0.3, 0.4 and 0.5) thin films J. Phys. D: Appl. Phys. SCI
2008 Ravi Kumar, Abhinav Pratap Singh, P Thakur, K H Chae, W K Choi, Basavaraj Angadi, S D Kaushik and S Patnaik Ferromagnetism and metal–semiconducting transition in Fe-doped ZnO thin films J. Phys. D Appl. Phys. SCI
2008 Navdeep Bajwa, Alka Ingale, D. K. Avasthi, Ravi Kumar, A. Tripathi, Keya Dharamvir, and V. K. Jindal Role of electron energy loss in modification of C60 thin films by swift heavy ions J. Phys. D Appl. Phys. SCI
2009 Shalendra Kumar, Ravi Kumar, B. H. Koo, H. Choi, Dong Uk Kim, Chan Gyu Lee Structural and electrical properties of Mg2TiO4 Journal of the Ceramic Society Japan Scopus
2009 Huang-Chin Chen, Umesh Palnitkar, Way-Faung Pong, I-Nan Lin, Abhinav Pratap Singh and Ravi Kumar Enhancement in electron field emission in ultrananocrystalline and microcrystalline diamond films upon 100 MeV silver ion irradiation Journal of Applied Physics SCI
2009 Sunil Kumar, R. Kumar, D.P. Singh Swift heavy ion induced modifications in cobalt doped ZnO thin films: Structural and optical studies Applied Surface Science SCI
2009 M. Ramesh Babua, X.F. Han, P. Mandal, Ravi Kumar, K. Asokan, R. Jayavel 90 MeV 16O heavy-ion irradiation effects on La0.9Pb0.1MnO3 single crystals Materials Chemistry and Physics SCI
2009 Vinay Kumar, H.C. Swart, O.M. Ntwaeaborwa, Ravi Kumar, S.P. Lochab, Varun Mishra, Nafa Singh Thermoluminescence response of CaS:Bi3+ nanophosphor exposed to 200 MeV Ag+15 ion beam Optical Materials SCI
2009 Shalendra Kumar, Y.J. Kim, B.H. Koo, S. Gautam, K.H. Chae, Ravi Kumar, C.G. Lee Room temperature ferromagnetism in chemically synthesized ZnO rods Materials Letters SCI
2009 S.K. Sharma, Shalendra Kumar, P. Thakur, Alimuddin, R.J. Choudhary, D.M. Phase, C.T. Meneses, M. Knobel, C.G. Lee, M. Singh, Ravi Kumar Irradiation induced texturing in the Mg0.95Mn0.05Fe2O4 ferrite thin film Thin Solid Films SCI
2009 Abida Bashir , M Ikram , Ravi Kumar , P Thakur , K H Chae , W K Choi and V R Reddy Structural, magnetic and electronic structure studies of NdFe1−xNixO3 (0 ≤ x ≤ 0.3) J. Phys.: Cond. Matter SCI
2009 .K. Sharma, Shalendra Kumar, R.J. Choudhary, Ravi Kumar Effect of 200 MeV Ag ion irradiation on structural and magnetic properties of Mg0.95Mn0.05Fe2O4 ferrite thin films Surface & Coatings Technology SCI
2009 Abhinav Pratap Singh , Ravi Kumar , P Thakur , N B Brookes , K H Chae and W K Choi NEXAFS and XMCD studies of single-phase Co doped ZnO thin films J. Phys.: Cond. Matter SCI
2009 Ankush Vij , Surender Singh , Ravi Kumar , S P Lochab , V V S Kumar and Nafa Singh Synthesis and luminescence studies of Ce doped SrS nanostructures J. Phys. D: Appl. Phys. SCI
2009 D K Shukla , Ravi Kumar , S K Sharma , P Thakur , R J Choudhary , S Mollah , N B Brookes , M Knobel , K H Chae and W K Choi Thin film growth of multiferroic BiMn2O5 using pulsed laser ablation and its characterization J. Phys. D: Appl. Phys. SCI
2009 Shalendra Kumar, S.K. Sharma, Alimuddin, M. Knobel, R.J. Choudhary, Chan Gyu Lee, B.H. Koo and Ravi Kumar Structural and magnetic properties of bulk and thin films of Mg0.95Mn0.05Fe2O4 Current Appl. Phys. SCI
2009 P.K.Mehta, B Bishnoi, R Kumar, R. J. Choudhary, and D. M. Phase Dielectric and Conductivity Studies of Sr[(Mg0.32Co0.02)Nb0.66]O3 Thin Film Solid State Phenomena Scopus
2009 Shalendra Kumar, S.K. Sharma, R.J. Choudhary, C G Lee, B H Koo, Alimuddin, and Ravi Kumar Engineering structural & magnetic properties of MgMnFe2O4 thin film using 200 MeV Au Ions J. Ceram. Soc. Japan Scopus
2009 Abida Bashir , M Ikram , Ravi Kumar , P Thakur , K H Chae , W K Choi and V R Reddy Structural, magnetic and electronic structure studies of NdFe1−xNixO3 (0 ≤ x ≤ 0.3) J. Phys.: Condens. Matter SCI
2009 M Wasi Khan , Ravi Kumar , M A Majeed Khan , Basavaraj Angadi , Y S Jung , W K Choi and J P Srivastava Solubility of Co clusters in Co-implanted ZnO thin films by 200 MeV Ag15+ ions irradiation Semiconductor Science and Technology SCI
2009 Sanjeev Gautam , Shalendra Kumar , P Thakur , K H Chae , Ravi Kumar , B H Koo and C G Lee Electronic structure studies of Fe-doped ZnO nanorods by x-ray absorption fine structure J. Phys. D: Appl. Phys. SCI
2009 N E Rajeevan , Ravi Kumar , D K Shukla , P Thakur , N B Brookes , K H Chae , W K Choi , S Gautam , S K Arora , I V Shvets and P P Pradyumnan Bi-substitution-induced magnetic moment distribution in spinel BixCo2−xMnO4 multiferroic J. Phys.: Condens. Matter SCI
2009 Ravi Kumar, S. K. Arora, I. V. Shvets, N. E. Rajeevan, P. P. Pradyumnan, and D. K. Shukla Structural and transport properties of Bi-substituted Co2MnO4 J. Appl. Phys. SCI
2009 P. L. Meena, Ravi Kumar, C. L. Prajapat, K Sreenivas, and Vinay Gupta Dielectric studies of Co3−xMnxO4 (x = 0.1–1.0) cubic spinel multiferroic J. Appl. Phys. SCI
2009 Ankush Vij, S.P. Lochab, Surender Singh, Ravi kumar, Nafa Singh Thermoluminescence study of UV irradiated Ce doped SrS nanostructures Journal of Alloys and Compounds SCI
2009 Ashvani Kumar, Devendra Singh, Ravi Kumar, Davinder Kaur Effect of crystallographic orientation of nanocrystalline TiN on structural, electrical and mechanical properties of TiN/NiTi thin films Journal of Alloys and Compounds SCI
2009 Ranjana S. Varma, D.C. Kothari, R.J. Choudhari, Ravi Kumar, R. Tewari, G.K. De Study of formation of Cu nanoparticle using Swift heavy ions Surface & Coatings Technology SCI
2009 N.E. Rajeevan, Ravi Kumar, D.K. Shukla, P.P. Pradyumnan, S.K. Arora, I.V. Shvets Structural, electrical and magnetic properties of Bi-substituted Co2MnO4 Materials Science and Engineering: B SCI
2009 P. Thakur, J. C. Cezar, N. B. Brookes, R. J. Choudhary, Ram Prakash, D. M. Phase, K. H. Chae, and Ravi Kumar Direct observation of oxygen induced room temperature ferromagnetism in MoO2 thin films by x-ray magnetic circular dichroism characterizations Appl. Phys. Lett. SCI
2010 Ankush Vij, Amit Kumar Chawla, Ravi Kumar, S.P. Lochab, Ramesh Chandra, Nafa Singh Effect of 120 MeV Ag9+ ion beam irradiation on the structure and photoluminescence of SrS:Ce nanostructures Physica B SCI
2010 M. Wasi Khan, Shahid Husain, M.A. Majeed Khan, Maneesha Gupta, Ravi Kumar and J.P. Srivastav Small polaron hopping conduction mechanism in Ni-doped LaFeO3 Philosophical Magazine Scopus
2010 P. Thakur, J. C. Cezar, N. B. Brookes, R. J. Choudhary, D. M. Phase, K. H. Chae, Ravi Kumar X-ray absorption and magnetic circular dichroism characterization of Mo1−xFexO2 (x = 0–0.05) thin films grown by pulsed laser ablation Hyperfine Interaction SCI
2010 Surender Singh, Ankush Vij, S.P. Lochab, Ravi Kumar, Nafa Singh Synthesis and characterization of bismuth doped barium sulphide nanoparticles Materials Research Bulletin SCI
2010 S. Singh, S. P. Lochab, R. Kumar , N. Singh Photoluminescence and Thermoluminescnce of BaS:Ce Nanophosphors Chalcogenide Letters SCI
2010 Abida Bashir, M. Ikrama, Ravi Kumar, P.N. Lisboa-Filho, P. Thakur Structural, electronic structure and magnetic studies of SmFe1−xNixO3 (x ≤ 0.5) Materials Science and Engineering B SCI
2010 Dinesh Pathak and R. K. Bedi, Davinder Kaur and Ravi Kumar Fabrication of Densely Distributed Silver Indium Selenide Nanorods by Using Ag+ Ion Irradiation Journal of the Korean Physical Society SCI
2010 Ravi Chand Singh, Manmeet Pal Singh, Onkar Singh, Paramdeep Singh Chandi, Ravi Kumar Effect of 100 MeV O7+ ions irradiation on ethanol sensing response of nanostructures of ZnO and SnO2 Appl Phys A SCI
2010 Ankush Vij, Ravi Kumar, Amit Kumar Chawla, S.P. Lochab, Ramesh Chandra, Nafa Singh Swift heavy ion induced synthesis and enhanced photoluminescence of SrS:Ce nanoparticles Optical Materials SCI
2010 Bhagwati Bishnoi, P. K. Mehta, Ravi Kumar, R. J. Choudhary and D. M. Phase Structure Correlated Enhancement in Dielectric and Electrical Properties of Strontium Based Niobates Integrated Ferroelectrics SCI
2010 . E. Rajeevan, Ravi Kumar, D. K. Shukla, R. J. Choudhary and P. P. Pradyumnan Effect of Bi on the Magnetodielectric Properties of Co2MnO4 Thin Films Integrated Ferroelectrics SCI
2010 Aditya Sharma, K.D. Verma, Mayora Varshney, Devendra Singh, Moti Singh, K. Asokan and Ravi Kumar Effect of 100 MeV O7+ ion beam irradiation on structural, optical and electronic properties of SnO2 thin films Radiation Effects & Defects in Solids SCI
2010 D.K. Shukla, Ravi Kumar, S. Mollah, R.J. Choudhary, P.N. Vishwakarma, V.G. Sathe, and V. Ganesan Inspection of multiferrocity in BiMn2-xTixO5 ceramics through specific heat and Raman spectroscopic studies J. Phys. Condensed Matter SCI
2010 Aditya Sharma, K.D. Verma, Mayora Varshney, A.P. Singh, Yogesh Kumar, Subhod Srivastava, Y.K. Vijay, K. Asokan, R.J. Choudhary and Ravi Kumar Growth of nano pillars in SnO2 thin films by ion irradiation and its gas sensing properties Advanced Science Letters SCI
2010 D.K. Shukla, Ravi Kumar, S. Mollah, R.J. Choudhary, P. Thakur, S.K. Sharma, N.B. Brookes and M. Knobel Swift heavy irradiation induced magnetism in frustrated BiMn2O5 thin films Phys. Rev. B. SCI
2010 B.L. Ahuja, Alpa Dashora, N.L. Heada, Ahailja Tiwari, N.E. Rajeevan, M. Itou, Y. Sakurai and Ravi Kumar Reversal of orbital magnetic moment on substitution of Bi in Co2MnO4: A magnetic Compton scattering study Appl. Phys. Lett. SCI
2010 Yogesh Kumar, R.J. Choudhary, A.P. singh, G. Anjum and Ravi Kumar Evidence of quantum correction to conductivity in strained epitaxial LaNiO3 thin films J. Appl. Phys. SCI
2010 Anjum, S. Mollah, D.K. Shukla and Ravi Kumar Magneto-electric coupling in multiferroic La0.8Bi0.2FeO3 ceramic Materials Letters SCI
2010 Ankush Vij, S.P. Lochab, Ravi Kumar, Nafa Singh Thermoluminescence response and trap parameters determination of gamma exposed Ce doped SrS nanostructures Journal of Alloys and Compounds SCI
2010 Basavaraj Angadi, V.M. Jali, Ravi Kumar, S.B. Krupanidhi Impedance studies on high energy Li3+ irradiated PZT thin films Nuclear Instruments and Methods in Physics Research Section B SCI
2010 Jitendra Pal Singh, R.C. Srivastava, H.M. Agrawal, Ravi Kumar Magnetic behaviour of nanosized zinc ferrite under heavy ion irradiation Nuclear Instruments and Methods in Physics Research B SCI
2010 Abida Bashir Makhdoomi, M Ikram, Ravi Kumar Mössbauer studies and magnetic studies of Ni-doped orthoferrites PrFe1−xNixO3 (x ≤ 0.3) Journal of Magnetism and Magnetic Materials SCI
2010 Jitendra Pal Singh, R.C. Srivastava, H.M. Agrawal, Ravi Kumar, V.R. Reddy, Ajay Gupta Magnetic study of nanostructured zinc ferrite irradiated with 100 MeV O-beam Journal of Magnetism and Magnetic Materials SCI
2010 D. K. Shukla, Ravi Kumar, S. Mollah, R. J. Choudhary, P. Thakur, S. K. Sharma, N. B. Brookes, and M. Knobel Modifications in magnetic properties of BiMn2O5 multiferroic using swift heavy ion irradiation J. Appl. Phys. SCI
2010 M. Wasi Khan, M. A. Majeed Khan, Mansour Alhoshan, M. S. AlSalhi, A. S. Aldwayyan, Ravi Kumar, and Shahid Husain Influence of 190 MeV Ag+15 ion irradiation on electrical transport and magnetic properties of LaFe1−xNixO3 (x = 0.3 and 0.4) thin films J. Appl. Phys. SCI
2010 G. Anjum, Ravi Kumar, S. Mollah, D. K. Shukla, Shalendra Kumar, and C. G. Lee Structural, dielectric, and magnetic properties of La0.8Bi0.2Fe1−xMnxO3 (0.0 ≤ x ≤ 0.4) multiferroics J. Appl. Phys. SCI
2010 Aditya Sharma, Abhinav Pratap Singh, P. Thakur, N. B. Brookes, Shalendra Kumar, Chan Gyu Lee, R. J. Choudhary, K. D. Verma, and Ravi Kumar. Structural, electronic, and magnetic properties of Co doped SnO2 nanoparticles J. Appl. Phys. SCI
2011 Surender Singh, Ankush Vij, S P Lochab, Ravi Kumar and Nafa Singh Thermoluminescence properties of γ-irradiated Bi doped BaS nanostructures Bull. Mater. Sci. Scopus
2011 Jitendra Pal Singh, R.C. Srivastava, H.M. Agrawal, Prem Chand, Ravi Kumar Observation of size dependent attributes on the magnetic resonance of irradiated zinc ferrite nanoparticles Current Applied Physics SCI
2011 M.R. Singh, C.L. Prajapat, Anjana Dogra, Ravi Kumar, G. Yashwant, Ravi kumar, S.K. Gupta, Soo Hyun Kim, In-sun Jo, Sung-Ik Lee Effect of Ag15+ and Li3+ ion irradiation on superconducting Tl2Ca2Ba2Cu3O10 single crystals Nuclear Instruments and Methods in Physics Research B SCI
2011 Bhagwati Bishnoi, P.K. Mehta, C.J. Panchal, M.S. Desai, Ravi Kumar, V. Ganesan Ag15+ and O7+ ion irradiation induced improvement in dielectric properties of the Ba(Co1/3Nb2/3)O3 thin films Materials Chemistry and Physics SCI
2011 S K Neogi, S Chattopadhyay, Aritra Banerjee, S Bandyopadhyay, A Sarkar and Ravi Kumar Effect of 50 MeV Li3+ irradiation on structural and electrical properties of Mn-doped ZnO J. Phys.: Condens. Matter SCI
2011 Jitendra Pal Singh, R.C. Srivastavaa, H.M. Agrawala and Ravi Kumar 100 MeV O7+ ion irradiation in nanosized zinc ferrite Radiation Effects & Defects in Solids SCI
2011 Surender Singh, Ravi Kumar, Nafa Singh Effect of swift heavy ion irradiation on bismuth doped BaS nanostructures Journal of Alloys and Compounds SCI
2011 Surender Singh, S.P. Lochab, Ravi Kumar, Nafa Singh Thermoluminescence studies of bismuth doped BaxCa1-xS nanostructures Physica B SCI
2011 Surender Singh, S.P. Lochab, Ravi Kumar, Nafa Singh Thermoluminescence studies of bismuth doped BaxCa1-xS nanostructures Physica B SCI
2011 Surender Singh, Ankush Vij, S.P. Lochab, Ravi Kumar and Nafa Singh Thermoluminescence studies of BaS:Bi nanophosphors exposed to UV radiation Radiation Effects & Defects in Solids SCI
2011 Dinesh Pathak, R. K. Bedi, Davinder kaur , Ravi kumar 200 MeV Ag+ ion beam induced modifications in AgInSe2 films deposited by hot wall vacuum evaporation method Chalcogenide Letters Scopus
2011 Jitendra Pal Singh, R. C. Srivastava, H. M. Agrawala and Ravi Kumar Micro-Raman investigation of nanosized zinc ferrite: effect of crystallite size and fluence of irradiation J. Raman Spectroscopy SCI
2011 Aditya Sharma, Mayora Varshney, Shalendra Kumar, K.D.Verma and Ravi Kumar Magnetic Properties of Fe and Ni Doped SnO2 Nanoparticles Nanomaterials and Nanotechnology Scopus
2011 P.U. Sharmaa, S.N. Dolia, Ravi Kumar and K.B. Modi Influence of 50 MeV Li3+-ion irradation on M–H loop characteristics of Y3+-substituted YIG Radiation Effects & Defects in Solids SCI
2011 Wasi Khan, Alim H. Naqvi, Maneesha Gupta, Shahid Husain and Ravi Kumar Small polaron hopping conduction mechanism in Fe doped LaMnO3 The Journal of Chemical Physics SCI
2011 M.C. Chhantbar, U.N. Trivedi, Ravi Kumar and H.H. Joshi Influence of thermal history and 50 MeV Li ion irradiation on the structural properties of Al3+–Cr3+ co-substituted CuFe2O4 Radiation Effects & Defects in Solids SCI
2011 Jaiparkash, Yogesh Kumar, R.S. Chauhan, Ravi Kumar Study of dielectric properties of single phase Bi1−xCaxFeO3 (x = 0.1, 0.3, 0.5) Solid State Sciences SCI
2011 Feroz Ahmed Mir, M. Ikram and Ravi Kumar Impact of substrate on some physical properties of PrFe0.5Ni0.5O3 thin films Solid State Sciences SCI
2011 Feroz Ahmed Mir, M. Ikram and Ravi Kumar Symmetry beaking in Ni doped PrFeO3 thin films established by Raman study Phase Transitions SCI
2011 Mayora Varshney, Aditya Sharma, Ravi Kumar and K.D. Verma Swift heavy ion irradiation induced nanoparticle formation in CeO2 thin films Nucl. Inst. Meth. Phys. Res. B SCI
2011 Feroz Ahmed Mir, M. Ikram and Ravi Kumar Temperature-dependent Raman studies of PrFeO3 Thin films J. Raman Spectroscopy SCI
2011 S.K. Neogi, R. Karmakar, A. Banerjee, S. Bandopadhyay, Ravi Kumar, Alok Banerjee, A. Mallik and T.P. Sinha Paramagnetic and anti-ferromagnetic interactions in sol–gel derived Zn1−xMnxO [50 MeV Li3+ irradiated (x= 0.04) and unirradiated (x=0.02 and 0.04)] samples Rad. Eff. & Deff. In Solids SCI
2011 Prikshit Gautam, Sudipta Bhattacharyya, Sushil K. Singh, Ravi Kumar and Ram Pal Tandon Effect of Zirconium doping on ferroelectric properties and leakage current mechanism on Bi3.25La0.75Ti3O12 (BLT) thin films Phys. Status Solidi B Scopus
2011 N.E. Rajeeva, Ravi Kumar, D.K. Shukla, R.J. Chaudhary, P. Thakur, A.K. Singh, S. Patnaik, S.K. Arora, I.V. Shvets, P.P. Pradyumnan Magnetoelectric behavior of ferrimagnetic BixCo2-xMnO4 (x = 0, 0.1 and 0.3) thin films Journal of Magnetism and Magnetic Materials SCI
2011 Hardeep Thakur, P. Thakur, Ravi Kumar, N.B. Brookes, K.K. Sharma, A.P. Singh, Yogesh Kumar, S. Gautam and K.H. Chae Irradiation induced ferromagnetism at room temperature in TiO2 thin films: X-ray magnetic circular dichroism characterizations Appl. Phys. Lett. SCI
2011 P. Thakur, Ravi Kumar, J.C. Cezar. N.B. Brookes, Aditya Sharma, S.K. Arora, S. Gautam, Arvind Kumar, K.H. Chae and I.V. Shvets Evolution of magnetic nanophases of Ni embedded in Al2O3 (001) matrix by X-ray magnetic circular dichroism Chemical Physics Letters SCI
2011 Aditya Sharma, K.D. Verma, M. Varshney, A.P. Singh, Yogesh Kumar, S. Shrivatava, Y. K. Vijay, K. Asokan, R.J. Choudary and Ravi Kumar Growth of nano-pillars in SnO2 thin films using ion irradiation and its gas sensing properties Adv. Sci. Lett. SCI
2011 G. Anzum, Ravi Kumar, S. Mollah, P.Thakur, S. Gautam and K.H. Chae NEXAFS studies La0.8Bi0.2Fe1-xMnxO3 (0.0< x < 0.4) multiferroic system using x-ray absorption spectroscopy J. Phys. D Appl. Phys. SCI
2011 Abhida Bhasir, Mohmad Ikram and Ravi Kumar Studies of transport properties of ReFe1-xNixO3 (x  0.5) where Re = Nd, Sm and Gd Modern Phys. Lett. SCI
2011 H. Thakur, Ravi Kumar, P. Thakur, N.B. Brookes, K.K. Sharma, A.P. Singh, Yogesh Kumar, S. Gautam and K.H. Chae Modifications in structural and electronic properties of TiO2 thin films using swifit heavy ion irradiations Journal of Applied Physics SCI
2011 Feroz Ahmed Mir, M. Ikram and Ravi Kumar Local symmetry breaking in PrFeO3 thin films and other similar system after Ni doping: A brief Raman studies Vibrational Spectroscopy SCI
2011 H. Thakur, Ravi Kumar, P. Thakur, N.B. Brookes, K.K. Sharma, A.P. Singh, Yogesh Kumar, S. Gautam and K.H. Chae Orbital anisotropy in SnO2 thin films and its modification by swift heavy ion irradiation Chemical Physics Letters SCI
2012 Mohd. Hashima, Alimuddin, Shalendra Kumar, B.H. Koo, Sagar E. Shirsath, E.M. Mohammed, Jyoti Shah, R.K. Kotnala, H.K. Choi, H. Chung, Ravi Kumar Structural, electrical and magnetic properties of Co–Cu ferrite nanoparticles Journal of Alloys and Compounds SCI
2012 Abida Bashir, M. Ikrama, Ravi Kumar, P.N. Lisboa-Filho, P. Thakur Structural, electronic structure and magnetic studies of SmFe1−xNixO3 (x ≤ 0.5) Materials Science and Engineering B SCI
2012 P.K. Bajpai, Deepak Shah, Ravi Kumar Effect of swift heavy ion beam irradiation on the dielectric and ferroelectric properties of pure and cobalt doped TGS crystals Nuclear Instruments and Methods in Physics Research B SCI
2012 Basavaraj Angadi, Ravi Kumar, Dong-Hee Park, Ji-Won Choi, Won-Kook Choi Photoluminescence studies on MBE grown Co-doped ZnO thin films fabricated through ion implantation and swift heavy ion irradiation Nuclear Instruments and Methods in Physics Research B SCI
2012 Balwinder Kaur, Monita Bhat, F Licci, Ravi Kumar, K K Bamzai and P N Kotru High resolution X-ray diffraction studies on unirradiated and irradiated strontium hexaferrite crystals Bull. Mater. Sci. Scopus
2012 Jitendra Pal Singh, Gagan Dixit, R.C. Srivastava, Hemaunt Kumar, H.M. Agrawal, Ravi Kumar Study of size dependent features of swift heavy ion irradiation in nanosized zinc ferrite Journal of Magnetism and Magnetic Materials SCI
2012 Deo Prakash, Mayora, Varshney, keshav deo Verma, Ravi Kumar Growth of (111) Oriented CeO2 Thin Films and Their Structural and Optical Properties Science of Advanced Materials SCI
2012 N.V. Patel, Bhagwati Bishnoi, P.K. Mehta, Ravi Kumar, R.J. Choudhary, D.M. Phase, V. Ganesan, C.J. Panchal Irradiation Effects on Microstructure and Dielectric Properties of Ba[(Mg0.32Co0.02)Nb0.66]O3 [BMCN] Thin Films Journal of nano- and electronic physics Scopus
2012 H. Thakur, K.K. Sharma, Ravi Kumar, P. Thakur, A.P. Singh, Yogesh Kumar, S. Gautam and K.H. Chae On the optical properties of Ag+15 ion beam irradiated TiO2 and SnO2 thin films Journal of Korean Physical Society SCI
2012 Feroz Ahmed Mir, M. Ikram and Ravi Kumar Doping effects arising from Ni for Fe in PrFeO3 ceramic thin films Philosophical Magazine SCI
2012 Mohd. Hashim, Alimuddin, Shalendra Kumar, Sagar E. Shrisath, E.M. Mohammed and Ravi Kumar Studies on the activation energy from the ac conductivity measurements of rubber ferrite composites containing Mg-Zn ferrite Physica B SCI
2012 Mohd. Hashim, Alimuddin, Shalendra Kumar, B.H. Koo, Sagar E. Shrisath, R.K. Kotnala and Ravi Kumar Structural properties and magnetic interactions in Ni0.5Mg0.5Fe2-xCrxO4 (0 ≤ x ≤1) Powder Technology SCI
2012 Mohd. Hashim alimuddin, Shalendra Kumar, B.H. Koo, Sagar E. Shirsath, E.M. Mohammed, Joyti Shah, R.K. Kotnala, H. Chung and Ravi Kumar Structural, Electrical and Magnetic properties of Co-Cu ferrite nanoparticles J. Alloys & Compounds SCI
2012 Mohd. Hashim, Alimuddin, Salendra Kumar, Sikader Ali, B.H. Koo, H Chung and Ravi Kumar Structural, Magnetic and Electrical properties Al3+ substituted Ni-Zn ferrite naoparticles J. Alloys & Compounds SCI
2012 Ankush vij, Sanjeev Gautam, Ravi Kumar, Amit K. Chawla, Ramesh Chandra, Nafa Singh and K.H. Chae Blue shift in band gap and photoluminescence of pulsed laser deposited SrS:Ce/quartz thin film nanophosphors J. Alloys & Compounds SCI
2012 Dinesh Shukla, Nhalil Rajeevan and Ravi Kumar Combining magnetism and ferroelectricity towards multiferrocity” (A review) Solid State Phenomena Scopus
2012 Feroze Ahmed Mir, M. Ikram, and Ravi Kumar Amorphization and disorder of PrFeO3 thin films after heavy ion irradiation Applied Radiation and Isotopes SCI
2012 Mayora Varshney, Aditya Sharma, K.D. Verma and Ravi Kumar Structural and magnetic properties of Ce1-xCoxO2 (0  x  0.1) nanocrystalline powders Physica Scripta SCI
2012 A.K. Sharma, R. Dogra, S.K. Mishra, S.P. Lochab and Ravi Kumar Thermo-luminescence studies of tissue equivalent lithium fluoride nanophosphors Science of Advanced Materials SCI
2012 Yogesh Kumar, A.P. Singh, S.K. Sharma, R.J. Choudhary, P. Thakur, M. Knobel, N.B. Brooke and Ravi Kumar Irradiation induced modifications in transport properties of LaNiO3 thin films: An x-ray absorption study Appl. Phys. Lett. SCI
2012 Abida Bashir, M. Ikram, Ravi Kumar and P.N. Lisoba-Filho Structural, electronic structure and magnetic studies of GdFe1-xNixO3 (x  0.5) J. Alloys & Compounds SCI
2012 Yogesh Kumar, R.J. Choudhary, S.K. Sharma, M. Knobel and Ravi Kumar Strain dependent stabilization of metallic paramagnetic state in NdNiO3 thin films Appl. Phys. Lett. SCI
2012 Yogesh Kumar, R.J. Choudhary and Ravi Kumar Strain controlled systematic variation of metal insulator transition in epitaxial NdNiO3 thin films J. Appl. Phys. SCI
2012 Mayora Varshney, Aditya Sharma, K.D. Verma and Ravi Kumar Swift heavy ion irradiation effect on structural and optical properties of CeO2 thin films Nanoscience and Nanotechnology Lett. SCI
2013 N.E. Rajeevan, Ravi Kumar, D.K. Shukla, P. Thakur and P.P. Pradyumnan Structural and Magnetic Characterizations of 200 MeV Ag15+ Irradiated BixCo2-xMnO4 Thin Films Key Engineering Materials SCI
2013 Jitendra Pal Singh, Gagan Dixit, R.C. Srivastava, Puneet Negi, H.M. Agrawal, Ravi Kumar HRTEM and FTIR investigation of nanosized zinc ferrite irradiated with 100 MeV oxygen ions Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy SCI
2013 Mohd Hashim, Alimuddin, Sagar E. Shirsath, Shalendra Kumar, Ravi Kumar, Aashis S. Roy, Jyoti Shah, R.K. Kotnala Preparation and characterization chemistry of nano-crystalline Ni–Cu–Zn ferrite Journal of Alloys and Compounds SCI
2013 Mohd. Hashima, Alimuddin, Shalendra Kumar, Sagar E. Shirsath, R.K. Kotnala, Jyoti Shah, Ravi Kumar Influence of Cr3+ ion on the structural, ac conductivity and magnetic properties of nanocrystalline Ni–Mg ferrite Ceramics International SCI
2013 Mohd. Hashim, Alimuddin, Shalendra Kumar, Sagar E. Shirsath, R.K. Kotnala, Jyoti Shah, Ravi Kumar Synthesis and characterizations of Ni2+ substituted cobalt ferrite nanoparticles Materials Chemistry and Physics SCI
2013 K. K. Pandey Himanshu Kumar Poswal, Ravi Kumar, Surinder M. Sharma High pressure iso-structural phase transition in BiMn2O5 J. Phys.: Condens. Matter SCI
2013 Aditya Sharma, Mayora Varshney, K.D.Verma, Yogesh Kumar, Ravi Kumar Structural and surface microstructure evolutions in SnO thin films under ion irradiation Nuclear Instruments and Methods in Physics Research B SCI
2013 Mohd. Hashim, Alimuddin, Sagar E. Shirasth, E.M. Mohammed and Ravi Kumar Structural, dielectric, AC conductivity and magnetic properties of Cr3+ substituted Ni-Mg ferrite nanoparticles J. Nanoengineering and Nanomanufacturing SCI
2013 Mohd. Hashim, Alimuddin, Sagar E. Shirasth, R.K. KotnalaS.S. meena, Shalendra Kumar, Ashis S. Roy, R.B. Jotania Pramod Bhatt and Ravi Kumar Influence of Ni2+ substitution on structural, dielectric and magnetic properties of Cu-Cd ferrite nanoparticles Journal of Alloys and Compounds SCI
2013 Mohd. Hashim, Alimuddin, Sagar E. Shirasth, S.S. meena, Shalendra kumar, Pramod Bhatt, R.B. Jotania and Ravi Kumar Study of structural and magnetic properties of (Co-Cu)Fe2O4/PANI composites Materials Chem. & Phys. SCI
2013 Mohd. Hashim, Alimuddin, Sagar E. Shirasth, S.S. meena, Shalendra kumar, Pramod Bhatt, Ashis S. Rpy, Parveen C. Ramamurthy and Ravi Kumar Investigation of structural, dielectric, magnetic and antibacterial activity of Cu-Cd-Ni-FeO4 nanoparicles J. Mag. & Mag. Materials SCI
2013 Vinod Kumar, Rajesh Kumar, D.K. Shukla, S. Gautam, Keun Hwa Chae and Ravi Kumar Electronic Structure and Electrical Transport Studies of LaCo1-xNixO3 (0 ≤ x ≤ 0.5) Journal of Applied Physics SCI
2013 Vinod Kumar, Rajesh Kumar, D. K. Shukla, Ravi Kumar Disorder Controlled Electrical Transport Properties of NdCo1-xNixO3 (0 ≤ x ≤ 0.5) Journal of Alloys and Compounds SCI
2013 Ankush Vij, Sanjeev Gautam, Vinay Kumar, R. Brajpuriya, Ravi Kumar, Nafa Singh, and K.H. Chae X-ray absorption spectroscopy and photoluminescence study of rare earth ions doped strontium sulphide phosphors Appl. Surf. Science SCI
2013 Vinod Kumar, Yogesh Kumar, Rajesh Kumar, D.K. Shukla, I.V. Shvets and Ravi Kumar Structural, magnetic and x-ray absorption studies of NdCo1-xNixO3 (0  x  0.5) J. Appl. Phys. SCI
2014 Mohd. Hashim, S.S. Meena, R.K. Kotnala, Sagar E. Shirsath, Aashis S. Roy, Ameena Parveen, Pramod Bhatt, Shalendra Kumar, R.B. Jotania, Ravi Kumar, Alimuddin Study of structural, electrical and magnetic properties of Cr doped Ni–Mg ferrite nanoparticles Journal of Alloys and Compounds SCI
2014 Jitendra Pal Singh, Gagan Dixit, Hemaunt Kumar, R.C. Srivastava, H.M. Agrawal, Ravi Kumar Formation of latent tracks and their effects on the magnetic properties of nanosized zinc ferrite Journal of Magnetism and Magnetic Materials SCI
2014 Mohd. Hashim, S.S. Meena R.K. Kotnala Sagar E. Shirsath, Pramod Bhatt, Shalendra Kumar, Erdoğan Şentürk, Ravi Kumar, Nidhi Gupta, Alimuddin Exploring the structural, Mössbauer and dielectric properties of Co2+ incorporated Mg0.5Zn0.5xCoxFe2O4 nanocrystalline ferrite Journal of Magnetism and Magnetic Materials SCI
2014 Minaxi Sharma, Pankaj K. Pandey, K. K. Sharma, Ravi Kumar, R. J. Choudhary, D. Venkateshwarlu, and V. Ganesan Effect of superconducting spacer layer thickness on magneto-transport and magnetic properties of La0.7Sr0.3MnO3/YBa2Cu3O7/La0.7Sr0.3MnO3 heterostructures J. Appl. Phys. SCI
2014 Pawanpreet Kaur, K. K. Sharma, Rabia Pandit, Ravi Kumar, R. K. Kotnala, and Jyoti Shah Temperature dependent dielectric and magnetic properties of GdFe1-xNixO3 (0.0 ≤x ≤0.3) orthoferrites J. Appl. Phys. SCI
2014 Feroz Ahmed Mir, S.K Sharma and Ravi Kumar Magnetization and magneto-transport properties of Ni doped PrFeO3 thin films Chinese Phys. B SCI
2014 Pawanpreet Kaur, K K Sharma, Rabia pandit, R J Chaudhary, Ravi Kumar Structural, electrical and magnetic properties of SrRuO3 thin films Applied Physics Letters SCI
2014 Mohd. Hashim Sagar E. Shirsath, S.S. Meena, Pramod Bhatt, R.K. Kotnala, Shalendra Kumar, Ravi Kumar, Dachepalli Ravinder and Alimuddin Structural development and magnetic phenomenon in Zn–Cr–Fe multi oxide nano-crystals Ceramics International SCI
2014 Minaxi Sharma, K K Sharma, Ravi Kumar, R J Chaudhary Electrical and magneto-transport properties of ferromagnet/superconductor/ferromagnet based heterostructure Physica C SCI
2014 Minaxi Sharma, Pankaj K Pandey, K K Sharma, Ravi Kumar, R J Chaudhary, D Venketshwarlu, and V Ganesan Effect of superconducting spacer layer thickness on magneto-transport and magnetic properties of LaSr0.7Mn0.3O3/YBa2Cu3O7/La0.7Ba0.3MnO3 heterostructures J. Appl. Phys. SCI
2014 Rabia pandit, K K Sharma, Pawanpreet Kaur, R K Kotnala, Jyoti Shah, Ravi kumar Effect of Al+3 substitution on structural, cation distribution, electrical and magnetic properties of CoFe2O4 Journal of Physics and Chemistry of Solids SCI
2014 Rabia pandit, K K Sharma, Pawanpreet Kaur, V R Reddy, Ravi kumar, Jyoti Shah Spin canting observation and cation distribution in CoFe2-xInxO4 (x = 0.0-1.0) ferrites through low temperature-high field Mossbauer spectral study Journal of Alloys and Compounds SCI
2014 Jaiprakash, R.S Chauhan, Ravi Kumar, Yogesh Kumar, N E Rajeevan, N Vijayan Study of Structural, dielectric and magnetic properties of Bi1-xBaxFeO3 (x = 0.1-0.4) Journal of Alloys and Compounds SCI
2014 P. L. Meena, K. Sreenivas, Ravi Kumar Dielectric properties of spinel Co3-xMnxO4(x = 0.1, 0.4, 0.7, and 1.0) ceramic compositions Indian Journal of Pure and Applied Physics SCI
2014 Minaxi Sharma, K.K. Sharma, R.J. Choudhary and Ravi Kumar Superconductivity suppression in YBa2Cu3O7-δ/La0.7Sr0.3MnO3 thin films J. Appl. Phys. SCI
2014 Vinod Kumar, Rajesh Kumar, Kiran Singh, S.K. Arora, I.V. Shvets and Ravi Kumar Evidence of spin glass state in NdCo1-xNixO3 (x= 0.3-0.5) J. Appl. Phys. SCI
2014 Sumit Bhardwaj, Joginder Paul, K.K. Raina, N.S. Thakur and Ravi Kumar Dielectric modulus and magneto-capacitance behavior of Bi3.7Sm0.3Ti2.7Ni0.3O12-δ multiferroic Physica B SCI
2014 Joginder Paul, Sumit Bhardwaj, K.K. Sharma, R.K. Kotnala and Ravi Kumar Room temperature multiferroic properties and magnetoelectric coupling in Sm and Ni substituted Bi4-xSmxTi3-xNixO12-δ (x =0, 0.02, 0.05, 0.07) ceramics J. Appl. Phys. SCI
2014 Rabia Pandit, K.K. Sharma, Pawanpreet Kaur, Ravi Kumar Cation distribution controlled dielectric, electrical and magnetic behavior of In3+ substituted cobalt ferrites synthesized via solid-state reaction technique Materials Chemistry and Physics SCI
2014 Sumit Bhardwaj, Joginder Paul, Subhash Chand, K. K. Raina, Ravi Kumar Oxygen vacancy induced dielectric relaxation studies in Bi4-xLaxTi3O12 (x = 0.0, 0.3, 0.7, 1.0) ceramics J Mater Sci: Mater Electron SCI
2014 Joginder Paul, Sumit Bhardwaj, K.K. Sharma, R.K. Kotnala and Ravi Kumar Room temperature multiferroic properties and magnetoelectric coupling in Bi4-xSmxTi3-xCoxO12-δ ceramics J. Materials Science SCI
2014 Vinod Kumar, Rajesh Kumar, D.K. Shukla, S.K. Arora, I.V. Shvets, Kiran Singh and Ravi Kumar Spin states and glassy magnetism in LaCo1-xNixO3 (x= 0-0.5) Materials Chemistry and Phys. SCI
2015 S. Kumar, A.K. Gathania, A.K. Vij, A.K. Sharma, R. Dogra, S.P. Lochab and Ravi Kumar Absorption, photoluminescence and thermo-luminescence studies of gamma irradiated pure and Eu doped LiF Phosphors Adv. Mater. Lett. SCI
2015 Mohd. Hashim, Sagar E. Shirsath, S.S. Meena, M.L. Mane,Shalendra Kumar, Pramod Bhatt, Ravi Kumar, N.K. Prasad, S.K. Alla, Jyoti Shah, R.K.Kotnala, K.A. Mohammed, Erdogan Sentürk, Alimuddin Manganese ferrite prepared using reverse micelle process: Structural and magnetic properties characterization Journal of Alloys and Compounds SCI
2015 Joginder Paul, Sumit Bhardwaj, K.K. Sharma, R.K. Kotnala and Ravi Kumar Room temperature multiferroic behaviour and magnetoelectric coupling in Sm/Fe modified Bi4Ti3O12 ceramics synthesized by solid state reaction method Journal of Alloys and Compounds SCI
2015 Mohd.Hashim, Sagar E. Shirsath, S. S. Meena, R.K.Kotnala, Shalendra Kumar, D. Ravinder, M. Raghasudha, Pramod Bhatt, Erdogen Senturk, Alimuddin and Ravi Kumar Superparamagnetic behavior of indium substituted NiCuZn nano ferrites Journal of Magnetism and Magnetic Materials SCI
2015 Sumit Bhardwaj, Joginder Paul, Subhash Chand, K.K. Raina, and Ravi Kumar Electroactive Phase Induced Bi4Ti3O12–Poly(Vinylidene Difluoride) Composites with Improved Dielectric Properties Journal of Electronic Materials SCI
2015 Meena, P. L.; Pal, Sunita; Sreenivas, K.; Kumar, Ravi Kumar Structural and Magnetic Properties of MnCo2O4 Spinel Multiferroic Advanced Science Letters SCI
2015 N.E Rajeevan, Vinod Kumar, Rajesh Kumar, Ravi Kumar, S.D. Kaushik Neutron diffraction studies of magnetic ordering in Ni-doped LaCoO3 Journal of Magnetism and Magnetic Materials SCI
2016 Pawanpreet Kaur, K.K.Sharma , Rabia Pandit, R. J. Choudhary, Ravi Kumar Effect of swift heavy ion irradiation on structural and magnetic properties of GdFe1-xNixO3 (x ≤ 0.2) thin films Journal of Magnetism and Magnetic Materials SCI
2016 Satinder Kumar, A.K. Gathania, Anjush Vij and Ravi Kumar Radiation induced color centers in Cr doped LiF Phosphor Materials Focus SCI
2016 P.L. Meena, K. Sreenivas, M.R. Singh, Ashok Kumar, S.P. Singh and Ravi Kumar Ferri-magnetic order in Mn induced spinel Co3-xMnxO4 (0.1 ≤ x ≤ 1.0) ceramic compositions Journal of Magnetism and Magnetic Materials SCI
2016 Yogesh Kumar, Abhinav Pratap Singh, S.K. Sharma, R.J. Choudhary, P. Thakur, M. Knobel, N.B. Brookes and Ravi Kumar Ni 3d – O 2p hybridization dependent magnetic properties of LaNiO3 thin films Thin Solid Films SCI
2016 Yogesh Kumar, R.J. Choudhary and Ravi Kumar Disappearance of metal-insulator transition in NdNiO3/LaAlO3 thin films Journal of Appl. Phys. SCI
2016 S. Kumar, A.K. Gathania, A.K. Vij, Ravi Kumar Thermo-luminescence study of gamma irradiated Cr doped LiF phosphors Journal of Electronic Materials SCI
2016 S. Kumar, A.K. Gathania, A.K. Vij and Ravi Kumar Gamma induced thermo-luminescence and color centers study of Dy doped LiF micro cubes Ceramics International SCI
2016 G. Anjum. F.H. Bhat and Ravi Kumar Thin film growth of multiferroic La0.8Bi0.2Fe0.7Mn0.3O3 on LaNiO3 using RF sputtering and its characterization Materials Letters SCI
2017 P.K. Bajpai, C.R.K. Mohan, Ratnamala Ganjir, Ravi Kumar, Ashok Kumar, R.S. Katiyar Swift heavy ion induced material modifications in Ba1-xSrxTiO3 ceramics as probed by temperature dependent Raman spectroscopy Journal of Raman Spectroscopy Scopus
2017 S.D. Kaushik, N.E. Rajeevan, Ravi Kumar Exploring the effect of Bi doping in cubic spinel BixCo2-xMnO4 by employing neutron diffraction Physica B: Physics of Condensed Matter SCI
2017 Jaiprakash, R.S. Chauhan, Ravi Kumar, Pawan Kumar and Anil Kumar Structural, dielectric and magnetic studies of multiferroic Bi1-xSrxFeO3 (x= 0.1, 0.2, 0.3, 0.4 and 0.5) Solid State Sciences SCI
2018 Arun Kumara, Arvind Kumar, Rakesh Dogra, Mohit Manhas, Sandeep Sharma and Ravi Kumar Investigation of thermoluminescence and kinetic parameters of gamma ray exposed LiF: Sm3+, Eu3+ nanophosphors for dosimetric applications Ceramics International SCI
2018 Ankush Vij, Shalendra Kumar, S.O. Won, K.H. Chae, Abhinav Dubey and Ravi Kumar Enhanced photoluminescence response of Ca2+/Ba2+ substituted solid solutions of SrS:Ce phosphors Materials Letters SCI
2018 Mohd Hashim, M. Raghasudha, Jyoti Shah , Sagar E. Shirsath, D. Ravinder, Shalendra Kumar , Sher Singh Meena , Pramod Bhatt , Alimuddin , Ravi Kumar, R.K. Kotnala High temperature dielectric studies of indium-substituted NiCuZn nanoferrites Journal of Physics and Chemistry of Solids SCI
2018 Mohd Hashim, M. Raghasudha, Sher Singh Meena, Jyoti Shah, Sagar.E. Shirsath, Shalendra Kumar, D. Ravinder, Pramod Bhatt, Alimuddin, Ravi Kumar, R.K. Kotnala Influence of Rare Earth ion doping (Ce and Dy) on electrical and magnetic properties of Cobalt ferrites Journal of Magnetism and Magnetic Materials SCI
2018 P L Meena, Ravi Kumar and K Sreenivas Structural, elastic and magnetic properties of spinel Co3O4 Indian Journal of Pure & Applied Physics SCI
2018 Rabia Pandit, Pawan Preet Kaur, K.K. Sharm, Mohamd Hashim and Ravi Kumar Investigation of room temperature Mossbauer spectroscopy and initial magnetic susceptibility properties in Al3+ substituted cobalt ferrites Spin SCI
2018 Jarnail Singh, Vikram Verma and Ravi Kumar Preparation and structural, optical studies of Al substituted chromium oxide (Cr2O3) nanoparticles Vacuum SCI
2018 Kapil Dev Singh, Rabia Pandit, and Ravi Kumar Effect of rare earth ions on structural and optical properties of specific pervoskite orthochromates: RCrO3 (R= la, Nd, Eu, Gd, Dy and Y) Solid State Sciences SCI
2019 Jarnail Singh, Vikram Verma, Rajesh Kumar and Ravi Kumar Influence of Mg2+-substitution on the optical band gap energy of Cr2-xMgxO3 nanoparticles Results in Physics SCI
2019 Jarnail Singh, Vikram Verma, Rajesh Kumar, Sandeep Sharma and Ravi Kumar Effect of structural and thermal disorder on optical band gap of Cr2O3 nanoparticles Mater. Res. Express SCI
2019 Ashok Kumar, Vinod Kumar, Dinesh Shukla, Rajesh Kumar, R.J. Choudhary and Ravi Kumar Structural, electronic, transport and magnetic studies of LaCo1-xNixO3 (x= 0, 0.3) thin films J. Appl. Phys. SCI
2020 Kapil Dev Singh, Fouran Singh, R.J. Choufhary and Ravi Kumar Consequesces of R3+ cationic radii on the dielectric and magnetic behavior of RCrO3 pervoskites Appl. Phys. A SCI
2020 Mega Jain, Manju, Ravi Kumar, O.W. Sung, K.H. Chae, Ankush Vij and Anup Thakur Defect states and kinetic parameter analysis of ZnAl2O4 nanocrystals by x-ray photoemission spectroscopy and thermoluminescence Scientific Reports SCI
2020 Arun Kumar, Arvind Kumar, Rakesh Dogra, Rakesh Dogra, Mohit Manhas, Sandeep Sharma, Ravi Kumar Effect of gamma irradiation on thermoluminescence studies of LiF:Sm3+,Dy3+ nanophosphor Emerging Materials Research SCI
2020 Yogesh Kumar, Ravi Kumar, R.J. Choudhary, Anup Thakur, Abhinav Pratap Singh Reduction in the tilting of oxygen octahedron and its effect on bandgap with La doping in SrSnO3 Ceramics International SCI
2020 Mohd.Hashim, Ateeq Ahmed, Syyed Asad, Alia Sagar, E. Shirsath, Mukhlis M.Ismail, Ravi Kumar, Shalendra Kumar, Sher Singh Meena, D.Ravinder Structural, optical, elastic and magnetic properties of Ce and Dy doped cobalt ferrites Journal of Alloys and Compounds SCI
2020 Arun Kumar, Arvind Kumar, Rakesh Dogra, Mohit Manhas, Sandeep Sharma, Narain Singh, Ravi Kumar Effect of europium concentration on gamma ray exposed thermoluminescence behaviour of LiF: Sm3+, Dy3+, Eu3+ nanophosphor Optik - International Journal for Light and Electron Optics SCI
2020 Jarnail Singh, Rajesh Kumar, Vikram Verma, Ravi Kumar Role of Ni2+ substituent on the structural, optical and magnetic properties of chromium oxide (Cr 2-xNixO ) nanoparticles Ceramics International SCI
2020 Ashok Kumar, Rajesh Kumar, Vinod Kumar, Dinesh Shukla, Ram Janay Choudhary, Ravi Kumar 200 MeV Ag+15 ion irradiation-induced modification in structural, magnetic and electrical properties of LaCoO3 thin film Applied Physics A SCI
2020 Amarjit Singh, Jarnail Singh, Manoj Kumar Sinha, Ravi Kumar, Vikram Verma Investigations on microstructural and microhardness developments in sintered iron-coal fly ash composites Sådhanå SCI
2020 Jitender Kumar, Aditya Sharma, Sung Ok Won, Ravi Kumar, Keun Hwa Chae, Shalendra Kumar, Ankush Vij Probing defects and electronic structure of Eu doped t-Mg2B2O5 nanocrystals using X-ray absorption near edge spectroscopy and luminescence techniques Vacuum SCI
2020 Jarnail Singh, Rajesh Kumar, Vikram Verma, Ravi Kumar Structural and optoelectronic properties of epitaxial Ni-substituted Cr2O3 thin films for p-type TCO applications Journal of Alloys and Compound SCI
2020 Jarnail Singh, Rajesh Kumar, Vikram Verma, Ravi Kumar Comparative studies on optoelectronic properties of epitaxial MgxCr2-xO and AlxCr2-xO (x = 0, 0.1, 0.2 and 0.3) thin films deposited on sapphire substrates Materials Science in Semiconductor Processing SCI
2020 Sumit Bhardwaj, J.D. Sharma, Subhash Chand, K. K. Raina, Ravi Kumar Enhanced Electroactive Phases in Bi3·3La0·7Ti3O12-poly (vinylidene fluoride) composites with Improved Dielectric Properties Solid State Communications SCI
2021 Amarjit Singh, Jarnail Singh, Manoj Kumar Sinha, Ravi Kumar, Vikram Verma Compaction and Densification Characteristics of Iron Powder/Coal Fly Ash Mixtures Processed by Powder Metallurgy Technique Journal of Materials Engineering and Performance SCI
2021 Farooq H. Bhat, Ghazala A. Khan, Gitansh Kataria, Ravi Kumar, Deshdeep Sahdev, and Manzoor A. Malik Study of canonical spin glass behavior in Co doped LaMnO3 AIP Advances SCI
2021 F.H. Bhat, G. Anjum, Ravi Kumar, Manzoor A. Malik, R.J. Choudhary, D.K. Shukla XAS and XPS analysis of double magnetic transition, canonical spin glass behavior and magnetoresistance in LaMn1-xCoxO3 (0.1 ≤ x ≤ 0.5) system Ceramics International SCI
2021 Pankaj Bhardwaj, Jarnail Singh, Rajesh Kumar, Ravi Kumar, Vikram Verma Structural, optical and magnetic characterization of Ni2+ ions doped chromium oxide (Cr2O3) nanoparticles, Volume 115, May 2021, 106581 Solid State Sciences SCI
2021 Mohd. Hashim, Nehru Boda, Ateeq Ahmed, S. K. Sharma, D. Ravinder, Edapalli Sumalatha, Anwar Ul-Hamid, Mukhlis M. Ismail, Mohd. Chaman, Sagar E. Shirsath, Ravi Kumar, Shalendra Kumar, Sher Singh Meena & Mohammad Nasir Influence of samarium doping on structural, elastic, magnetic, dielectric, and electrical properties of nanocrystalline cobalt ferrite, 526 (2021) Applied Physics A SCI
2008 S. Mollah, Z.A. Khan, D.K. Shukla, M. Arshad, Ravi Kumar Adiabatic small polaron-hopping conduction in Ln0.85Ca0.15MnO3 (Ln=Nd, Pr and Sm) perovskites, 69 1023 Journal of Physics and Chemistry of Solids SCI
2008 Ram Prakash, R.J. Choudhary, Shailja Tiwari, D.M. Phase, Ravi Kumar Effect of 200 MeV Ag15+ ion irradiation on structural and electrical transport properties of Fe3O4 thin films, 266 1242 Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms SCI
2008 R.J. Choudhary, Ravi Kumar, M. Wasi Khan, J.P. Srivastava, S.I. Patil, S.K. Arora, I.V. Shvets Modifications of the structural, electrical and magnetic properties of LaFe0.5Ni0.5O3 thin films by 190 MeV Ag ion irradiation, 266 1611 Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms SCI
2008 Manoj Kumar, Ashish Garg, Ravi Kumar, M.C. Bhatnagar Structural, dielectric and ferroelectric study of Ba0.9Sr0.1ZrxTi1−xO3 ceramics prepared by the sol–gel method, 403 1819 Physica B: Condensed Matter SCI
2008 D.K. Shukla, S. Mollah, Ravi Kumar, P. Thakur, K.H. Chae, W.K. Choi and A. Banerjee Effect of Ti substitution on multiferroic properties of BiMn2O5, 104, 033707 J. Appl. Phys SCI
2008 P. Thakur, K.H.Chae, C.N.Whang, G.S.Chang, D.K.Shukla, S. Mollah, and Ravi Kumar X-ray absorption and emission spectroscopy of BiMn2-xTixO5 (0 , J. Korean Physical Soc. SCI
2008 N.E Rajeevan, P.P. Pradyumnan, Ravi Kumar, D.K. Shulkla, S. Kumar, A.K. Singh, S. Patnaik, S.K. Arora, I.V. Shvets Magnetoelectric properties of BixCo2-xMnO4 (0 ≤x ≤ 0.3), 92, 102910 Appl. Phys. Lett. SCI
2008 R.J. Choudhary, Shailja Tiwari, D.M. Phase, Ravi Kumar, P. Thakur, K.H. Chae and W.K. Choi Magneto transport, noise and X-ray circular dichroism studies of pulsed laser deposited Fe3O4 thin films on Si substrates, 92, 072104 Appl. Phys. Lett. SCI
2008 Ram Prakash, D.M. Phase, R.J. Choudhary and Ravi Kumar Structural, electrical and magnetic studies of Mo1-xFexO2 (x=0-0.05) thin films grown by pulsed laser ablation, 103, 043712 J. Appl. Phys. SCI
2008 J.J.U. Buch, G. Lalitha, T.K. Pathak, N.H. Vasoya, V.K. Lakhani, P.V. Reddy, Ravi Kumar and K.B. Modi Structural and elastic properties Ca substituted LaMnO3 at 300K, 41, 025406 J. Phys. D: Appl. Phys. SCI
2007 R.J. Choudhary, M. Ikram, D.K. Shukla, S. Mollah, P. Thakur, K.H. Chae, Basavaraj Angadi and W.K. Choi Structural, electrical, magnetic and electronic structure studies of PrFe1-xNixO3 (x  0.5), 102, 073707 J. Appl. Phys. SCI
2007 Shalendra Kumar, Alimuddin, Ravi Kumar, P. Thakur, K.H. Chae, Basavaraj Angadi and W.K. Choi Electrical transport, magnetic and electronic structure studies of Mg0.95Mn0.05Fe2-2xTi2xO4 (0  x  0.5), 19, 476210 J. Phys. Condens. Matter SCI
2007 Balwinder Kaur, Monita Bhat, F. Licci, Ravi Kumar, K. K. Bamzai, P. N. kotru Dielectric characteristics of substituted M-type strontium hexaferrite crystals and their modifications on swift heavy ion irradiation, 103, 255-263 Materials Chemistry and Physics SCI
2007 D. K. Shukla, S. Mollah and Ravi Kumar Influence of TiO2 and ZnO on conductivity and dielectric properties of copper-bismuth glasses, J. Appl. Phys. SCI
2007 K.R. Mavania, D.S. Ranaa, S. Rayaprola, R.N. Parmara, D.G. Kuberkara, Ravi Kumar, M. Tonouchic, J. Johnd, R. Nagarajan 200 MeV Ag+15 ion irradiation created columnar defects and enhanced critical current density of La-2125 type superconducting thin films, 142, 462–465 Solid State Communications SCI
2007 Shalendra Kumar, Ravi Kumar, S.K. Sharma, V.R. Reddy, A. Banerjee and Alimuddin Temperature-dependent Mössbauer and dielectric studies of Mg0.95Mn0.05Fe1.0Ti1.0O4, 141, 706 Solid State Communications SCI
2007 Vinay Kumar, Ravi Kumar, S.P. Lochab and Nafa Singh Swift heavy ion induced modification and photoluminescence in CaS:Bi nanophosphors, 9, 661-667 J. of Nanoparticle Research SCI
2007 M.S. Sahasrabudhe, Deepak N. Bankar, A.G. Banpurkar, S.I. Patil, K.P. Adhi Effect of swift heavy ion irradiation on the surface morphology of highly c-axis oriented LSMO thin films grown by pulsed laser deposition, B263, 407 Nucl. Instrum. Meth. Phys. SCI
2007 K.S. Jheetaa, D.C. Jain, Ravi Kumar, K.B. Garg Effect of titanium ion irradiation on the surface and defect centre formation in sapphire, 144, 460–465 Solid State Communications SCI
2007 S.K. Sharma, Ravi Kumar, Shalendra Kumar, V.V. Siva Kumar, M. Knobel, V.R. Reddy, A. Banerjee and M. Singh Magnetic study of Mg0.95Mn0.05Fe2O4 ferrite nanoparticles, 141, 203 Solid State Communications SCI
2006 Ravi Kumar, F. Singh, B. Angadi, J.W. Choi, W.K. Choi, K. Jeong, J.H. Song. M. Wasi Khan, J.P. Srivastava, Ajay Kumar and R.P. Tandon Single Phase formation of Co-implanted ZnO thin films by swift heavy ion irradiation: Optical studies, 100, 113708 J. Appl. Phys. SCI
2006 Ravi Kumar, M. Wasi Khan, J. Srivastava, S.K. Arora, R.G.S. Sofin, R. J. Choudhary and I.V. Shvets Swift heavy ion irradiation induced modifications in structural, magnetic and electrical properties of Epitaxial magnetite thin films, 100, 033703 J. Appl. Phys. SCI
2006 ”. W.K. Choi, B. Angadi, H.C. Park, J.H. Lee, J.H. Song and Ravi Kumar Ferromagnetic Properties of Co and Fe implanted ZnO thin films at room temperature, 52, 42 Adv. Sci. & Tech. SCI
2006 Basavaraj Angadi,Y. S. Jung, Won-Kook Choib, Ravi Kumar, K. Jeong, S. W. Shin, J. H. Lee, J. H. Song, M. Wasi Khan and J. P. Srivastava Ferromagnetism in 200-MeV Ag+15-ion-irradiated Co-implanted ZnO thin films, 88, 142502 Appl. Phys. Lett. SCI
2006 J. H. Markna, R. N. Parmar, D. G. Kuberkar, Ravi Kumar, D.S.Rana, and S.K.Malik Thickness dependent swift heavy ion irradiation effects on electronic transport of (La0.5Pr0.2)Ba0.3MnO3 thin films, 88, 152503 Appl. Phys. Lett. SCI
2006 Vinay Kumar, Ravi Kumar, S.P. Lochab and Nafa Singh Thermoluminescence studies of CaS:Bi nanocrystalline phosphors, 39, 5137 J. Phys. D: Appl. Phys. SCI
2006 N.H. Vasoya, V.K. Lakhani, P.U. Sharma, K.B. Modi, Ravi Kumar and H.H. Joshi Study on the electrical and dielectric behaviour of Zn-substituted cobalt ferriauminates, 18, 8063 J. Phys.: Condens. Matter SCI
2006 Vinay Kumar, Nafa singh, Ravi Kumar and S.P. Lochab Synthesis and characterization of bismuth doped calcium sulfide nanocrystallites, 18, 5029 J. Phys.: Condens. Matter SCI
2006 Shalendra Kumar, Alimuddin, Ravi Kumar, Anjana Dogra, V. R. Reddy and A. Banarjee Mössbauer and magnetic studies of multiferroic Mg0.95Mn0.05Fe2-2xTi2xO4 system, 99, 08M910 J. Appl. Phys. SCI
2006 V. Kumar ,R. Kumar,S. P. Lochab & N. Singh Thermoluminescence and Dosimetric properties of bismuth doped CaS nanocrystalline phosphors, 161 (8) 479-485 Rad. Eff. Def. Solids SCI
2006 Balwinder Kaur, Monita Bhat, F. Licci, Ravi Kumar, S.D. Kulkarni, P.A. Joy, K.K. Bamzai and P.N. Kotru Modifications in magnetic anisotropy of M—type strontium hexaferrite crystals by swift heavy ion irradiation, 305, (2), 392-402 J. Magn. Magn. Mater SCI
2006 S.K. Sharma , Ravi Kumar, V.V. Siva Kumar, M. Knobel, V.R. Reddy,A. Gupta, M. Singh Role of electronic energy loss on the magnetic properties of Mg0.95Mn0.05Fe2O4 nanoparticles, 248, 37–41 Nuclear Instruments and Methods in Physics Research B SCI
2006 P.K. Bajpai, Deepak Shah, Ravi Kumar Swift heavy ion induced modification on the dielectric behaviors of pure and doped TGS crystals, Nuclear Instruments and Methods in Physics Research B SCI
2006 R.J. Choudhary, Ravi Kumar, Shahid Husain, J.P. Srivastava, S.K. Malik, S.I. Patil Effect of 200 MeV Ag ion irradiation on pink noise and magneto-transport properties of La0.7Ce0.3MnO3 thin films, 244, 268 Nuclear Instruments and Methods in Physics Research B SCI
2006 M.S. Sahasrabudhe, K.P. Adhi, S.S. Harchirkar, A.V. Deshmukh, S.I. Patil, Ravi Kumar Swift ion irradiation induced changes in the structural and transport properties of La0.7Sr0.3MnO3 thin films, 244, 333 Nuclear Instruments and Methods in Physics Research B SCI
2006 B. Parvatheeswara Rao, K.H. Rao, P.S.V. Subba Rao, A. Mahesh Kumar, Y.L.N. Murthy, K. Asokan, V.V. Siva Kumar, Ravi Kumar, N.S. Gajbhiye, O.F. Caltun Swift heavy ions irradiation studies on some ferrite nanoparticles, 244, 27 Nuclear Instruments and Methods in Physics Research B SCI
2006 Ravi Kumar, F. Singh, R.J. Choudhary, S.I. Patil Modifications of electronic transport behaviour of 250 MeV Ag ion irradiated La0.75Ca0.25MnO3 thin films, 244, 110 Nuclear Instruments and Methods in Physics Research B SCI
2006 M.C. Chhantbar, K.B. Modi, G.J. Baldha, H.H. Joshi, R.V. Upadhyay, Ravi Kumar Influence of 50 MeV Li3+-ion irradiation on structural and magnetic properties of Ti4+-substituted Li0.5Al0.1Fe2.4O4, 244, 124 Nuclear Instruments and Methods in Physics Research B SCI
2006 S. Chattopadhyay, Ravi Kumar, A. Sarkar Unusual metal-like state in HTSC and CMR oxides, 244, 132 Nuclear Instruments and Methods in Physics Research B SCI
2006 K.S. Jheeta, D.C. Jain, Fouran Singh, Ravi Kumar, K.B. Garg Photoluminescence and UV–Vis studies of pre- and post-irradiated sapphire with 200 MeV Ag8+ ions, 244, 187 Nuclear Instruments and Methods in Physics Research B SCI
2006 A. Talapatra, S.K. Bandyopadhyay, Pintu Sen, Ravi Kumar, P. Mukherjee, P. Barat Effect of 50 MeV Li3+ ion irradiation on polycrystalline MgB2 superconductor, 244, 261 Nuclear Instruments and Methods in Physics Research B SCI
2006 Monita Bhat, Balwinder Kaur, Ravi Kumar, S.K. Khosa, K.K. Bamzai, P.N. Kotru, B.M. Wanklyn Dielectric characteristics of HoFeO3 crystals and their modification on SHI irradiation, 245, 480 Nuclear Instruments and Methods in Physics Research B SCI
2006 Ranjana C. Gupta, D.C. Kothari, R.J. Choudhari, Ravi Kumar, P.K. Sahoo, K.P. Lieb, S. Klaumu¨nzer Optical properties in the Cu-fused silica system irradiated with swift heavy ions, 245, 219 Nuclear Instruments and Methods in Physics Research B SCI
2006 Ravi Kumar, M. Wasi Khan, J.P. Srivastava, S.K. Arora, R.G.S. Sofin, R.J. Choudhary and I.V. Shvets Swift heavy ion irradiation induced modifications in structural, magnetic and electrical transport properties of epitaxial magnetite thin films, 100, 033703 J. Appl. Phys. SCI
2005 S. Chattopadhyay, Sudipta Pal, A. Sarkar, Ravi Kumar and B.K. Chaudhuri Radiation damage effect in CMR manganite materials, 230, 274 Nuclear Instruments and Methods in Physics Research B SCI
2005 A. Sarkar, S. Chattopadhyay, Ravi Kumar and Udayan De Interesting aspects of the analysis of resistivity in Li ion irradiated Bi-2212, 230, 284 Nuclear Instruments and Methods in Physics Research B SCI
2005 S.K. Srivastava, Ravi Kumar, R.S. Patel, A.K. Majumdhar, A. Gupta and D.K. Avasthi Swift heavy ion induced mixing of Fe/Ni multilayers, 243, 304 Nuclear Instruments and Methods in Physics Research B SCI
2005 Ravi Kumar, S.K. Sharma, Anjana Dogra, A. Gupta, A. Saraiya, V.V. Siva Kumar and M. Singh Swift heavy ion irradiation induced modifications in structural and magnetic properties of nano-particles of Mg-Mn ferrites, 160:143-156 Hyperfine Interactions SCI
2005 V. M. Jali, Basavaraj Angadi, M. T. Lagare, P. Victor, Ravi Kumar and S. B. Krupanidhi High Energy Oxygen Ion Induced Modifications in Ferroelectric SrBi2Ta2O9 Thin Films, 328:103–109 Ferroelectrics SCI
2005 Monita Bhat, Balwinder Kaur, Ravi Kumar, K.K. Bamzai, P.N. Kotru , B.M. Wanklyn Effect of ion irradiation on dielectric and mechanical characteristics of ErFeO3 single crystals, 234, 494 Nuclear Instruments and Methods in Physics Research B SCI
2005 Monita Bhat, Balwinder Kaur, Ravi Kumar, K.K. Bamzai, P.N. Kotru and B.M. Wanklyn Modifications in the mechanical characteristics of YFeO3 crystals on irradiation, 93(2), 255 Material Chemistry and Physics SCI
2005 , P.A. Joy, S.D. Kulkarni, K.K. Bamzai, P.N. Kotru, B.M. Wanklyn Swift heavy ion irradiation effects on structural and magnetic characteristics of RFeO3 (R= Er, Ho and Y) crystals, 243, 134 Nuclear Instruments and Methods in Physics Research B SCI
2005 R.J. Choudhary Ravi Kumar, S.I. Patil, Shahid Husain, J.P. Srivastava, S K Malik Enhanced magnetic and bolometric sensitivity of La0.7Ce0.3Mn3 thin films due to 200 MeV Ag ion irradiation, 86, 222501 Appl. Phys. Lett. SCI
2005 R.J. Choudhary, Ravi Kumar, M. Wasi Khan, J.P. Srivastava, S.I. Patil, S.K. Arora and I.V. Shvets Exposition of semiconducting and ferromagnetic properties of pulsed laser deposited thin films of LaFe1-xNixO3 (x= 0.3, 0.4 and 0.5), 87,132104 Appl. Phys. Lett. SCI
2005 S.K. Arora, Ravi Kumar, M. Wasi Khan, J.P. Srivastava, R.G.S. Sofin and I.V. Shvets Influence of anti phase boundary (APB) density on conduction noise properties of epitaxial thin Fe3O4 thin films, 97, 10C310 J. Appl. Phys. SCI
2005 Ravi Kumar, R.J. Choudhary, M. Wasi Khan, J.P. Srivastava, K. Asokan, C.W. Bao, H.M. Tsai and W.F. Pong Structural, electrical transport and x-ray absorption spectroscopy studies on LaFe1-xNixO3 (x = 0 to 0.6), 97, 093526 J. Appl. Phys. SCI
2004 Sanghamitra Khatua, P.K. Mishra, Ravi Kumar, D.C. Kundaliya, D. Buddhikot, R. Pinto and S.K. Malik Columnar tilt and vortex stress in superconducting thin films of NdBa2Cu3O7-y: magnetization critical current density measurements, 96, 7403 J. Appl. Phys. SCI
2004 R.J. Choudhary, Anjali S. Ogale, S.R. Shinde, S. Hullavarad, S.B. Ogale, T. Venkatesan, R.N. Bathe, S.I. Patil and Ravi Kumar Evaluation of manganite films on silicon for uncooled bolometer applications, 84, 3846 J. Appl. Phys. SCI
2004 Ravi Kumar, R.J. Choudhary, S.I. Patil, Shahid Husain, J.P. Srivastava, S.P. Sanyal and S.E. Lofland Structural, electrical, magnetization and 1/f studies in 200MeV Ag ion irradiated La0.7Ce0.3MnO3 thin films, 96, 7383 J. Appl. Phys. SCI
2004 Navdeep Bajwa, K. Dharamvir, V.K. Jindal, Alka Ingale, D.K. Avasthi, Ravi Kumar and A. Tripathi Swift heavy ion induced modifications of C60 thin films, 94, 326 J. Appl. Phys. SCI
2004 D.M. Bhardwaj, D.C. Jain, Ravi Kumar and K.B. Garg Study of the effect of swift heavy Fe ion irradiation on ruby crystal using the XANES technique, 352, 318-324 Physica B SCI
2004 . Chattopadhyay, A. sarkar, A. Banerjee, S. Karmkar, D. Banerjee, Ravi Kumar and B.K. Choudhary Effect of Li ion irradiation on transport properties of La0.7Pb0.3MnO3 type CMR materials, 226, 274 Nuclear Instruments and Methods in Physics Research B SCI
2004 B.S. Chauhan, Ravi Kumar, K.M. Jadhav and M. Singh Magnetic study of substituted Mg-Mn ferrites synthesized by citrate precursor method, 283, 71 J. Mag. Magn. Mater. SCI
2004 Anjana Dogra, Ravi Kumar, S.A. Khan, V.V. Siva Kumar, N. Kumar and M. Singh Influence of 190 MeV Ag ion irradiation on structural, magnetic and oxygen content of NiMn0.05TixMgxFe1.95-2xO4 (x= 0.0, 0.2) ferrite thin films, 225, 283 Nuclear Instruments and Methods in Physics Research B SCI
2004 D.M. Bhardwaj, D.C. Jain, K.B. Garg, Ravi Kumar, Fouran sing and R.P. Gupta Photoluminescence and atomic force microscoy studies of pre- and post-irradiated ruby with Fe ions, 159, 315 Radiation Effects & Defects in Solids SCI
2004 K. Asokan, J.C. Jan, K.V.R. Rao, J.W. Chiou, H.M. Tsai, S. Mookerjee, W.F. Pong, M-H Tsai, Ravi Kumar Electron and hole doping effects on electronic structure of manganite studied by x-ray absorption spectroscopy, 16, 3791 J. Phys. Condensed Matter SCI
2004 Balwinder Kour, Monita Bhat, F. Licci, Ravi Kumar, P.N. Kotru and K.K. Bamzai Effect of 50 MeV Li ion irradiation on mechanical characteristics of pure and Ga-In substituted M-type strontium hexaferrite, 222, 175 Nuclear Instruments and Methods in Physics Research B SCI
2004 Anjana Dogra, Ravi Kumar, N. Kumar, P. Sen and M. Singh Structural and magnetic studies of NiMn0.05TixMgxFe1.95-2xO4 ferrite, 110, 243 Materials Sci. Engg. B SCI
2004 D.M. Bhardwaj, D.C. Jain, K.V.R. Rao, Ravi Kumar, Fouran Singh and R.P. Gupta Photoluminescence and atomic force microscopy studies on pre- and post irradiated ruby with Ni ions, 222, 553 Nuclear Instruments and Methods in Physics Research B SCI
2004 D.M. Bhardwaj, D.C. Jain, S. Dalela, Ravi Kumar, N.L. Saini and K.B. Garg Study of the effect of swift heavy Ni ion irradiation on ruby single crystals using the XANES and EXAFS techniques, 350, 366 Physica B SCI
2003 Anjana Dogra, S.K. Srivastava, M. Singh, N. Kumar, P. Sen and Ravi Kumar Mossbauer studies of 190 MeV Ag ion irradiated NiMn0.05TixMgxFe1.95-2xO4 ferrite, 36, 667 Radiation Measurements SCI
2003 K.R. Mavani, S. Rayaprol, D.S. Rana, C.M. Thaker, D.G. Kuberkar, J. John, R. Pinto, S.V.S. Nageswara Rao, S.A. Khan, S.K. Srivastava, A. Dogra, Ravi Kumar and D.K. Avasthi Study of 200 MeV Ag ion irradiation effects on the stochiometry of La-2125 type superconducting thin films using ERDA, 36, 773 Radiation Measurements SCI
2003 Anjana Dogra, M. Singh, N. Kumar, P. Sen and Ravi Kumar Mossbauer studies of 190 MeV Ag ion irradiated NiMn0.05TixMgxFe1.95-2xO4 ferrite, 212, 190 Nuclear Instruments and Methods in Physics Research B SCI
2003 Anjana Dogra, M. Singh, V.V. Siva Kumar, N. Kumar and Ravi Kumar Irradiation effect on dielectric properties of NiMn0.05Tix(Zn,Mg)xFe1.95-2xO4 ferrite thin films, 212, 184 Nuclear Instruments and Methods in Physics Research B SCI
2003 S. Chattopadhyaya, A. Banerjeeb, A. Sarkara, Ravi Kumar, B.K. Chaudhuri, D. Banerjee Study of 50 MeV Li3+ irradiation induced changes in La0.7Pb0.3MnO3, 36, 689-693 Radiation Measurements SCI
2003 Basavaraj Angadi, V.M. Jali, M.T. Lagare, V.V. Bhat, A.M. Umarji and Ravi Kumar Radiation resistance of PFN and PMN-PT relaxor ferroelectrics, 36, 635 Radiation Measurements SCI
2003 D.M. Bhardwaj, D.C. Jain, K.V.R. Rao, Ravi Kumar and K. Asokan Photoluminescence studies on pre and post irradiated ruby, 41, 498 Indian J. Pure & Appl. Phys. SCI
2003 Anjana Dogra, M. Singh and Ravi Kumar 50 MeV Li ion irradiation induced modifications in dielectric properties of Al substituted Mg-Mn ferrite, 207, 296 Nuclear Instruments and Methods in Physics Research B SCI
2003 Basavraj Angadi, P. Victor, V.M. Jali, M.T. Lagare, Ravi Kumar and S.B. Krupanidhi High energy Li ion irradiation effect in ferroelectric PZT and SBT films, 434, 40 Thin Solid Films SCI
2003 Basavraj Angadi, P. Victor, V.M. Jali, M.T. Lagare, Ravi Kumar and S.B. Krupanidhi AC conductivity studies on Li irradiated PZT and SBT ferroelectric thin films, 100, 93 Mater. Sci. Engg. B SCI
2002 Shahid Husain, R.J. Choudhary, Ravi Kumar, S.I. Patil and J.P. Srivastava Study of structural and electronic properties of Ce doped LaMnO3, 25, 1045 Pramana SCI
2002 K. Asokan, J.C. Jan, J.W. Chiou, W.P. Pong, Ravi Kumar, Shahid Husain and J.P. Srivastava Electronic structure studies of La0.7Ca0.3MnO3 and La0.7Ce0.3MnO3 by x-ray absorption spectroscopy, 9, 1053 Surface Rev. Lett. SCI
2002 T. Banerjee, S. B. Samanta, A Gupta, Dinakar Kanjilal, Ravi Kumar, S. Ramasamy, A. V. Narlikar STM/STS studies of Bi–O layers of Pb doped Bi-2223 superconductors irradiated by 100 MeV oxygen ion, 123(3-4) Solid State Communications SCI
2002 M. Singh, Anjana Dogra, Ravi Kumar Effect of 50 MeV Li3+ ion irradiation on structural, dielectric and permeability studies of In3+ substituted Mg–Mn ferrite, 196, 315-323 Nuclear Instruments and Methods in Physics Research B SCI
2002 D.C. Kundaliya, A.A. Tulapurkar, R. Pinto, Ravi Kumar and R.G. Kulkarni A Comparative study of magnetotransport and magnetization in epitaxial La0.6Nd0.2Ca0.2MnO3 unirradiated and heavy ion irradiated thin films, 122, 419 Solid State Communications SCI
2002 Sanghamitra Khatua, P.K. Mishra, Ravi Kumar, V.C. Sahni and R. Pinto Long Columns and vortex mobility: a case study in NBCO thin films, 15, 324 Superconductors Science & Technology SCI
2002 ". Basavraj Angadi, V.M. Jali, M.T. Lagare, N.S. Kini, A.M. Umarji, Ravi Kumar, S.K. Arora and D. Kanjilal 50 MeV Li3+ irradiation effect on the thermal expansion of Ca1-xSrxZr4P6O24, 187, 87 Nuclear Instruments and Methods in Physics Research B SCI
2001 V.K. Dixit, B.V. Rodrigues, H.L. Bhat, Ravi Kumar, R. Venkataragvan, K.S. Chandrasekharan and B.M. Arora 280. Effect of Li ion irradiation on the transport and optical properties of Bridgman grown n-type InSb single crystals, 90, 1750 J. Appl. Phys. SCI
2001 A. Deepthy, K.S.R.K. Rao, H.L. Bhat, Ravi Kumar and K. Asokan Grey track formation in KTiOPO4 by swift heavy ion irradiation, 89, 6560 J. Appl. Phys. SCI
2001 Sanghamitra Khatua, P K Mishra, Ravi Kumar, V C Sahni and R Pinto Boson localization and Mott insulator phase in NBCO films, 34, 3327–3330 J. Phys. D: Appl. Phys. SCI
2000 S.B. Ogale, Y.H. Li, M. rajeshwari, L. Salamanca Riba, R. Ramesh, T. Venkatesan, A.J. Millis, Ravi Kumar, G.K. Mehta, Ravi Bathe and S.I. Patil Columnar defect induced phase transformation in epitaxial La0.7Ca0.3 MnO3 films, 87, 4210 J. Appl. Phys. SCI
2000 T. Banerjee, R.N. Viswanath, D. Kanjilal, Ravi Kumar and S. Ramasamy Positron lifetime studies of 100MeV Oxygen ion irradiated Pb doped Bi-2223 superconductors, 114, 655 Solid State Communications SCI
2000 Ujjual Divakar, G.L. Bhalla and Ravi Kumar Bose-glass phase in crossed heavy ion irradiated YBa2Cu3O7-y, 171, 309 Nuclear Instruments and Methods in Physics Research B SCI
2000 Tamalika Banerjee, Ravi Kumar, D. Kanjilal and S. Ramasamy Fluctuation induced conductivity studies of 100MeV Oxygen ion irradiated Pb doped Bi-2212 superconductors, 341-348, 1185 Physica C SCI
2000 Sanghamitra Khatua, P.K. Mishra, D.G. Kulkarni, Ravi Kumar, J. John, V.C. Sahni and R. Pinto Swift heavy ion irradiation and fish tail magnetization in NBCO thin films- the cause and effect, 13, 259 Superconductors Science & Technology SCI
1999 J.P. Singh, R. Singh, S. Ghosh, A. Tripathi, D. Kabiraj, T. Som, Ravi Kumar, S.K. Arora, K. Asokan, D.K. Avasthi, D. Kanjilal, N.C. Mishra and G.K. Mehta Swift heavy ion-based materials science research at NSC, 156, 206 Nuclear Instruments and Methods in Physics Research B SCI
1999 Jaimon Yohannan, Ravi Kumar and K. Nandakumar Effect of heavy ion irradiation on the dielectric properties of selected barium sodium niobate ceramics, 156, 227 Nuclear Instruments and Methods in Physics Research B SCI
1999 A. Radhika Devi, V. Sheshubai, P.V. Patanjali, R.Pinto, N. Harish Kumar, S.K. Malik and Ravi Kumar Effect of 250 MeV Ag17+ ion irradition on superconductivity in DyBa2Cu3O7−δ thin films, 156, 54 Nuclear Instruments and Methods in Physics Research B SCI
1999 Tamalika Bandyopadhyay, Ravi Kumar, D. Kanjilal, S.B. Samanta, Anurag Gupta, A.V. Narlikar and S. Ramasamy X-ray, resistivity and AC susceptibility studies of 100 MeV O ion irradiated polycrystalline Bi2223, 156, 58 Nuclear Instruments and Methods in Physics Research B SCI
1999 Sanghamittra Khatua, Ravi Kumar, P.K. Mishra, V.C. Sahni and R. Pinto Vortex dynamics of 250 MeV Ag ion irradiated YBCO thin films, 156, 44 Nuclear Instruments and Methods in Physics Research B SCI
1999 G.L. Bhalla, Ujjual Divakar, G.C. Trigunayat, Ravi Kumar, D. Kanjilal and G.K. Mehta Angular dependence of magnetotransport properties in YBCO films with columnar defects, 156, 40 Nuclear Instruments and Methods in Physics Research B SCI
1999 Anurag Gupta, Ahmed Sedky, S.B. Samanta, Md. Shahbuddin, Ravi Kumar and A.V. Narlikar AC susceptibility and STM studies on Bi2Sr2CaCu2O8+x single crystals irradiated with heavy ions, 156, 35 Nuclear Instruments and Methods in Physics Research B SCI
1999 Udayan De, A. Sarkar, D. Sanyal, Ravi Kumar and D. Benerjee Enhancement and degredation of Tc in Bi-HTSC due to Li and He ion irradiations, 156, 54 Nuclear Instruments and Methods in Physics Research B SCI
1999 Ravi Kumar, S.K. Arora, R. Pinto, A. Radhika Devi, V. Sheshubai, S.B. Samanta, A.V. Narlikar, G.L. Bhalla and Ujjual Divakar Role of Swift heavy ion irradiation in flux dynamics of High temperature superconducting thin films, 45, 203 IETE Journal of Research SCI
1999 S.K. Arora, Ravi Kumar, Rajendra Singh, Ravi Bathe, S.I. Patil, S.B. Ogale, D.Kanjilal and G.K. Mehta Electronic transport and conduction noise studies on 250 MeV Ag ion irradiated LCMO thin films, 86, 4452 J. Appl. Phys. SCI
1999 S.K. Arora, Rajendra Singh, Ravi Kumar, D. Kanjilal and G.K. Mehta In situ 1/f noise study of SHI irradiated p-type Silicon, 156, 265 Nuclear Instruments and Methods in Physics Research B SCI
1999 S.K. Arora, Ravi Kumar, D. Kanjilal, G.K. Mehta, S. Khatua, R. Pinto, Vijay Kumar and A.K. Gupta 1/f noise properties of swift heavy ion irradiated epitaxial YBCO thin films, 22, 101 Bull. Mater. Sci. SCI
1998 D. Kanjilal, Ravi Bathe, S.I. Patil, S.B. Ogale and G.K. Mehta 1/f noise properties of La1-xCaxMnO3 thin films, 108, 959 Solid State Communications SCI
1998 S.B. Ogale, K. Ghosh, J.Y Gu, R. Shreekala S.R. Shinde, M. Downes, M. Rajeswari, R.P. Sharma, R.L. Greene, T. Venkatesan, R. Ramesh, Ravi Bathe, S.I. Patil, Ravi Kumar, S.K. Arora and G.K. Mehta Influence of 90 MeV oxygen ion irradiation ion induced disorder on magnetotransport in epitaxial La0.7 Ca0.3 MnO3 thin films, 84, 6255 J. Appl. Phys. SCI
1998 Ravi Kumar, S.K. Arora, D. Kanjilal, G.K. Mehta, Ravi Bathe, S.K. Date, S.R. Shinde, L.V. Saraf, S.B. Ogale and S.I. Patil Swift heavy ion irradiation effects on transport properties of epitaxial thin films of La1-xCaxMnO3, 147, 187 Rad. Eff. & Diff. in Solids SCI
1998 Ravi Bathe, S.K. Date, S.R. Shinde, L.V. Saraf, S.B. Ogale, S.I. Patil, Ravi Kumar, S.K. Arora and G.K. Mehta 90 MeV 16O ion irradiation effects on transport and magnetization in epitaxial thin films of La0.75 Ca0.25 MnO3, 83, 7174 J. Appl. Phys. SCI
1998 Ravi Kumar, S.B. Samata, S.K. Arora, Anurag Gupta, D. Kanjilal, R.Pinto and A.V. Narlikar Study of columnar amorphization and structural symmetry changes produced by swift heavy ion irradiation in YBa2Cu3O7-y thin films, 106, 805 Solid State Communications SCI
1994 A.A. Zhukov, A.V. Volkozub, P.A.J. de Groot, Ravi Kumar and A.J.S. Chowdhury Field-cooled magnetization of High-Tc single crystals: thermal history effects, 235-240, 2911 Physica C SCI
1994 R. Walia, M. Oussena, P.A.J.de Groot, P.C. Lanchester, D.B. Currie, M.T. Weller High field magnetization study of YBa2Cu4O8, 89, 783-787 Solid State Communications SCI
1994 Ravi Kumar, A.V. Volkozub, P.A.J.de Groot, A.K. Grover, S.K. Malik Effect of thermomagnetic history of field-cooled magnetization on the irreversibility line in conventional and high-Tc superconductors, 194-196:1857-1858 Physica B: Condensed Matter SCI
1993 V.V. Krishnamurthy, S.N. Mishra, Ravi Kumar, S.H. Devare and H.G. Devare Local magnetization of Rh in Ni-Rh alloys near the critical composition for ferromagnetism, 78, 541 Hyperfine Interactions SCI
1993 Ravi Kumar, C.V. Tomy, A.K. Grover, S.K. Malik Determination of irreversibility line in hard type-II superconductors: Path dependence of field-cooled magnetization, 1(7-9):1115-1122 Applied Superconductivity SCI
1993 R.K. Singhal, N.L. Saini, K.B. Garg, J. Kanski, L. Ilver, P.O. Nelsson, Ravi Kumar and L.C. Gupta Study of some Ce intermetallics by core-level photoemission, 5, 4013 J. Phys.: Condens. Matter SCI
1993 Ravi Kumar, S.K. Malik, R. Pinto and R. Vijayaraghavan Flux creep in YBa2Cu3O7-y thin films induced by self field due to transport current, 1, 1061 Applied Superconductivity SCI
1993 L.S. Grigoryan, Ravi Kumar, S.K. Malik, R. Vijayaraghavan, M.D. Shastri, Ajay Kumar and H.D. Bist Intercalation of Bi and Tl-oxide superconductors with conjugated ring-shaped organic molecules X-ray, Raman scattering, microwave and magnetic studies, 205, 296-306 Physica C SCI
1992 R. Pinto, Ravi Kumar, Navdeep Goyal, P.R. Apte, S.P. Pai and S.K. Malik Non-linear response of YBa2Cu3O7-y thin film microstrip resonator at microwave frequencies, 84, 1107 Solid State Communications SCI
1992 L.S. Grigoryan, Ravi Kumar, S.K. Malik, R. Vijayaraghavan and A.R. Harutyunyan Effect of benzene intercalation on magnetization of Bi-oxide based superconductors, 198, 137 Physica C SCI
1992 A.K. Rajarajan, A. Sundaresan, Ravi Kumar, M. Sharon, L.C. Gupta and R. Vijayaraghavan Nuclear Magnetic Resonance of Tl in superconducting TlBa2-xLaxCuO5-y, 4, 6971 J. Phys.: Condensed Matter SCI
1992 Ravi Kumar, S.K. mailik, S.P. Pai, R. Pinto, P.R. Apte, R. Vijayaraghavan and Dhanajay Kumar Self-field-induced flux creeps in YBa2Cu3O7-y thin films, 46, 5766 Phys. Rev. B SCI
1992 B.V.B. Sarkissian, A.K. Grover, R.G. Pillay, G. Balakrishnan, Ravi Kumar and P.N. Tandon Magnetization and magneto-resistance study to elucidate the antiferro to ferromagnetic transition in Ce(Fe0.95Ru0.05)2, 104-104, 1271 J. Magnetism and Magnetic Materials SCI
1992 Ravi Kumar, R. Walia, M. Oussena, P.A.J. de Groot, P.C. Lanchester, D. Currie and M. Weller High field magnetization studies in YBa2Cu4O8 superconductors, 89, 783 Solid State Communications SCI
1992 Ravi Kumar, A.V. Volkozub, P.A.J. de Groot, A.K. Grover and S.K. Malik Effect of thermomagnetic history of field cooled magnetization on irreversibility line in conventional and hugh-Tc superconductors, 194-196, 1857 Physica C SCI
1992 Ravi Kumar, C.V. Tomy, A.K. Grover and S.K. Malik Determination of irreversibility lines in hard superconductors: path dependence of field cooled magnetization, 1, 1115 Applied Superconductivity SCI
1992 Sarkissian, A.K. Grover, G. Balakrishnan, Ravi Kumar, P.L. Paulose, R. Vijayaraghavan, V. Shankarnaryanan and C.K. Subramainan Magnetization studies in Niobium and YBa2Cu3O7-y samples, 38 Pramana SCI
1992 A.K. Grover, S. Ramakrishnan, Ravi Kumar, P.L. Paulose, G. Chandra, S.K. Malik and P. Chaddah Scope and limitations of DC and AC magnetization techniques to locate irreversibility line in conventional superconductors, 192, 372 Physica C SCI
1991 Ravi Kumar, A.K. Grover, S. Ramakrishnan, P.L. Paulose, S.K. Malik and P. Chaddah Search for irreversibility line in a hard superconductor, 185-189.,2265 Physica C SCI
1991 A.K. Grover, S. Ramakrishnan, Ravi Kumar, P.L. Paulose, S.K. Malik and P. Chaddah Comparison of irreversibility temperature determined via DC and AC magnetization techniques in conventional superconductors, 37, 525 Pramana SCI
1991 C.V. Tomy, Ravi Kumar and A.K. Grover Hierarchy of quasi-irreversibility lines in niobium, 80, 117 Solid State Communications SCI
1991 S. Ramakrishnan, Ravi Kumar, P.L. Paulose, A.K. Grover and P. Chaddah Comparison of various methods to experimentally determine the irreversibility line in superconductors, 44, 9514 Phys. Rev. B SCI
1991 A.K. Grover, Ravi Kumar, S.K. Malik and P. Chaddah An exposition of inhomogeneous magnetic states in type-I and type-II superconductors, 77, 723 Solid State Communications SCI
1991 A.K. Grover, Ravi Kumar, S.K. Malik and P. Chaddah Quasi-irreversibility temperature in type-I superconductor, 43, 6151 Phys. Rev. B SCI
1990 A.K. Grover, Ravi Kumar, P. Chaddah, C.K. Subramanian and V. Shankaranarayanan A reappraisal of irreversible behaviour in the intermediate state of type-I superconductor, 170, 431 Physica C SCI
1990 Ravi Kumar, A.K. Grover, P. Chaddah, C.K. Subramanian and V. Shankaranarayanan Measurements of higher multipole moments of an inhomogeneous magnetic state of a superconductor, 76, 175 Solid State Communications SCI
1990 Ravi Kumar, K. Singh and T. Singh Growth and stabilization of laser ripples on laser beam in a collision less unmagnetized plasma, 12, 323 Nuovo Cimento D SCI

Conference Publications



Year Author(s) Title Conference name with place Indexing (SCI/Web of science/Scopus)

Research Projects



Role Project Type Title Funding Agency From To Amount Status Co-Investigator Sanction Order Sanction Date
PI Research Project Swift heavy ion irradiation induced modifications in magneto transport properties of Mn-O pervoskite based CMR materials Department of Science and Technology, Government of India 01/07/1999 30/06/2002 Rs. 13,33,844/- Completed Dr. D. Kanjilal, Dr. S.K. Arora and Dr. S.I. Patil SP/S2/M-07/98 14/06/1999

Research Supervision



Programme Name Scholar Name Research Topic Status Year Co-Suprivisor(s)
Ph.D Dr. Basavaraj Angadi Studies on low thermal expansion ceramics and ferroelectrics Awarded 2004
Ph.D Dr. Ram Janay Choudhary Growth and Properties of Functional Magnetic Oxides and Their Irradiation Studies Awarded 2005
Ph.D Dr. Anjana Dogra Swift Heavy Ion Irradiation Induced Modifications in Electrical, Magnetic and Structural Properties of Doped Spinel Ferrites Awarded 2005
Ph.D Dr. M. Wasi Khan A study of the effect of SHI irradiation on the structure, electrical and magnetic properties of some ferromagnetic semiconducting oxides Awarded 2007
Ph.D Dr. Surender Kumar Sharma SHI irradiation induced modification in the structural and magnetic properties of nanostructured Mg-Mn spinel ferrite Awarded 2007
Ph.D Dr. Vinay Kumar Effect of swift heavy ion irradiation on CaS:Bi nanophosphors : Luminescence and related Studies Awarded 2007
Ph.D Dr. Shailendra Kumar Gautam Study of SHI irradiation induced modifications in electrical, magnetic and structural properties of multiferroic materials Awarded 2008
Ph.D Dr. Dinesh Kumar Shukla Study of Ti substitution and SHI irradiation on multiferroic BiMn2O5 Awarded 2009
Ph.D Dr. N.E. Rajeevan Studies on Magnetoelectric Multiferroic Properties of Bi-substituted Co2MnO4 Awarded 2010
Ph.D Dr. Abida Structural, magnetic and electrical transport studies of transition metal oxide systems Awarded 2010
Ph.D Dr. Feroz Ahmed Mir Effect of SHI irradiation on electrical, magnetic and optical properties of PrFe1-xNixO3 thin films Awarded 2010
Ph.D Dr. Abhinav Pratap Singh Synthesization of ZnO-based dilute magnetic semiconductors through ion implantation and subsequent irradiation with swift heavy ions: Materials for Spintronics applications Awarded 2010
Ph.D Dr. Ankush Vij Characterization and Swift Heavy Ions Induced Modification of SrS Based Nano phosphors Awarded 2010
Ph.D Dr. Anjum Gazala Multiferroic Properties of Mn doped La0.8Bi0.2FeO3 and Effect of SHI Irradiation Awarded 2011
Ph.D Dr. Yogesh Kumar Growth and properties of rare earth nickelate thin films and their swift heavy ion irradiation study Awarded 2012
Ph.D Dr. Hardeep Thakur Structural, Electronic, Magnetic and Optical Properties of Wide Band Gap Semiconductors Awarded 2012
Ph.D Dr. Vinod Kumar Study of Ni Substitution in Perovskite Rare Earth Cobaltites RCoO3 Awarded 2014
Ph.D Dr. Pawanpreet Kaur Structural, Electrical and Magnetic Studies of Transition Metal Oxides: GdFeO3 and SrRuO3 Awarded 2015
Ph.D Dr. Rabia Pandit Effect of Cation Distribution on Structural, Electrical and Magnetic properties of In and Al Substituted Cobalt Ferrites Awarded 2015
Ph.D Dr. Sunil Kumar Synthesis, Characterization and effect of SHI irradiation on transition metal doped ZnO thin films prepared by sol gel method Awarded 2015
Ph.D Dr. Minaxi Sharma Structural, magneto-transport and magnetic studies of YBa2Cu3O7-y/La0.7Sr0.3MnO3 heterostructures Awarded 2016
Ph.D Jarnail Singh Synthesis and Structural, Optical, Electrical Properties of Transparent Conducting Oxides: Mg, Ni, Al Substituted Cr2O3 Thin Films On-going 2020
Ph.D Kapil Dev Singh Rare earth chromates On-going 2020
Ph.D Ravinder Kumar P-type Transparent Conducting Oxide Materials On-going 2020
M.Tech Sumir Kumar Structural, optical and electrical properties of Ni substituted Cobalt (II, II) oxide (Co3-xNixO4) Awarded 2012
M.Tech Nihsant Kaushal Synthesis and study on structural, optical and electrical properties of Cr substituted Cobalt (II,III) oxides Awarded 2012
M.Tech Raj Kumar Growth and characterization of MoO2 thin films Awarded 2013
M.Tech Vipul Bhardwaj Strain induced localization in TiO2 thin films Awarded 2013
M.Tech Ayush Pundir Synthesization and characterization of Zinc Stanate Nano Particles Awarded 2017
M.Tech Nav Deepak Synthesization and characterization of Zinc Stanate Nanostructure and thin films Awarded 2018
M.Tech Akil Kumar Synthesis and Characterization of Zinc oxide nano particles doped with Magnesium Awarded 2018
M.Tech Vikas N. P. Preparation and characterization of Methylammonium bismuth iodide [(CH3NH3)3Bi2I9] pervoskite materials for solar cell Awarded 2018
M.Tech Sadiq Mahmood Prepration and characterization of CH3NH3PbI3 Films on Glass substrate Awarded 2018
M.Tech Pranoy S. Prepration and characterization of CH3NH3PbI3 by solvent Engineering method for solar cell applications Awarded 2018
M.Tech Ravi Kumar Yadav Synthesis of Zinc oxide nano particles and study the effect of manganese doing on Zinc oxide structural and optical properties Awarded 2019
M.Tech Shivam Shukla Defect induced optical and photoluminescence properties of Cu doped Zinc oxide Awarded 2019
M.Tech Anuj Kumar Singh Effect of Chromium (Cr) dopping on structural and optical properties of Zinc oxide (ZnO) nano crystals synthesized by chemical precipitation method Awarded 2019
M.Tech Ankit Dev Singh Synthesis and Characterisation of Ni doped ZMO and ZMO/PVDF Nanocomposites Awarded 2020
M.Tech Anindya Khamaru Preparation and Characterization of Pure ZnCo2O4 and Ni-substituted ZnCo2O4 by Co-precipitation Method for Supercapacitor Applications Awarded 2020

Patents



Title Reg./Ref.No. Date of Award/Filling Awarding Agencies Status

Teaching Experience



Position Held Department and Organization From To Total Experience
Professor Centre for Materials Science and Engineering, NIT Hamirpur 14/09/2009 11 years
Scientist F Inter University Accelerator Centre, New Delhi 01/10/2006 11/09/2009 3 years
Scientist E Inter University Accelerator Centre, New Delhi 01/10/2001 30/09/2006 5 years
Scientist D Inter University Accelerator Centre, New Delhi 12/08/1996 30/08/2001 5 years

Administrative Experience



Position Held Department and Organization From To
Group In-charge Materials Science Group, IUAC, New Delhi 01/01/1997 11/09/2009
Head of the Centre Centre for Materials Science and Engineering, NIT, Hamirpur 01/10/2009 30/08/2012
Principal Beant College of Engineering and Technology, Gurdaspur 20/05/2013 19/05/2016
Head of the Centre Centre for Materials Science and Engineering, NIT, Hamirpur 06/10/2016 25/05/2019

Book/Chapters Written



Type Title Publisher Author(s) ISBN/ISSN No. Year

Expert Talks



Title Place Year Description of Event

Consultancy



Title of Consultancy Client Organization Faculty Involved Amount(INR) Status
Testing and analysis of Chemical compositions of GI pipes of various dimensions IPH Devision, Dharampur, Bharari, Distt. Mandi PI 2,70,000 Completed
Testing and analysis of Chemical compositions of GI pipes of various dimensions IPH Devision, Dharampur, Bharari, Distt. Mandi PI 40,000 Completed

International and National Exposure



Sr.No. Title Description
1 International assignment/International assignment/Membership of Professional Societies/Membership of Professional Societies/International collaborations/International collaborations/International collaborations/International collaborations/International collaborations/International collaborations Visiting Professor at School of Physics, Trinity College Dublin, Ireland: From 2004- till date/Visiting scientist at Korean Institute of Science & Technology (KIST), Seoul, Korea: From 2005- till date/Life member of Electron Microscopy Society of India /Life member of INFM, Italy./University of Maryland, Maryland, USA/University of Campinas, Campinas, Brazil/Trinity College Dublin, Ireland/KIST, Seoul, South Korea/Pohang Accelerator Laboratory (PAL), Pohang, South Korea/Changwan University, Changwan, South Korea

Conferences/Courses Organized



Category Type Title Venue From To Designation
workshop Training Workshop on Nano Science and Technology NIT, Hamirpur 31/05/2010 04/06/2010 Co-ordinator
workshop Training Workshop on Nano Science and Technology NIT, Hamirpur 03/06/2013 07/06/2013 Co-ordinator

Profile Summary

Last Update: 26/06/2021 05:33pm
Logo
Name : Prof. Ravi Kumar
Designation : Professor
Department : Material Science & Engineering
Qualification : PhD
Phone : 9814941401
Email ID : ranade65@nith.ac.in
Profile URL : https://portfolios.nith.ac.in/index.php?/nith/prof-ravi-kumar769
Date of Birth : 12/12/1965
Date of Joining : 14/09/2009

Specialization

Material Science and Engineering

Education Qualification


Name of the Degree Year of Passing Institute/University
Ph.D. in Physics 1994 Tata Institute of Fundamental Research (TIFR) Mumbai
M.Sc. (Hons.) in Physics 1988 Guru Nanak Dev University, Amritsar
B.Sc. (Hons) in Physics 1987 Guru Nanak Dev University, Amritsar
Pre-Engineering 1984 Khalsa College Amritsar

Teaching Experience


Programme Name Department And Organization From To Total Experience
Professor Centre for Materials Science and Engineering, NIT Hamirpur 14/09/2009 11 years
Scientist F Inter University Accelerator Centre, New Delhi 01/10/2006 11/09/2009 3 years
Scientist E Inter University Accelerator Centre, New Delhi 01/10/2001 30/09/2006 5 years
Scientist D Inter University Accelerator Centre, New Delhi 12/08/1996 30/08/2001 5 years

Administrative Experience


Position Held Department And Organization From To
Group In-charge Materials Science Group, IUAC, New Delhi 01/01/1997 11/09/2009
Head of the Centre Centre for Materials Science and Engineering, NIT, Hamirpur 01/10/2009 30/08/2012
Principal Beant College of Engineering and Technology, Gurdaspur 20/05/2013 19/05/2016
Head of the Centre Centre for Materials Science and Engineering, NIT, Hamirpur 06/10/2016 25/05/2019

Research Experience

Research Interests : Strongly correlated electronic oxide materials, High-Temperature Superconductors and the study of flux dynamics, Colossal Magneto-resistance materials, Spintronics, Nano Ferrites, Multi-ferroic Materials, Polymer nano-Composites
Brief Research Statement : My group is working on Magnetic oxide materials (spintronics, multiferroics, CMR, nano-structues and thin films) and transparent conducting oxides (p-type and n-types) thin films

Research Projects


Role Project Type Title Funding Agency From To Amount Status Co-Investigator Sanction OrderSanction Date
PI Research Project Swift heavy ion irradiation induced modifications in magneto transport properties of Mn-O pervoskite based CMR materials Department of Science and Technology, Government of India 01/07/1999 30/06/2002 Rs. 13,33,844/- Completed Dr. D. Kanjilal, Dr. S.K. Arora and Dr. S.I. Patil SP/S2/M-07/98 14/06/1999

Journal Publications


Year Author(s) Journal Name Title & Vol. No. Indexing (SCI/Web of science/Scopus)
2008 Shalendra Kumar, Ravi Kumar, P. Thakur, K.H. Chae, S.K. Sharma, Alimuddin Journal of Magnetism and Magnetic Materials Electronic structure studies of Mg0.95Mn0.05Fe2−2xTi2xO4 (0≤x≤0.8) SCI
2008 K.V. Madhu, Ravi Kumar, M. Ravindra, R. Damle Solid-State Electronics Investigation of deep level defects in copper irradiated bipolar junction transistor SCI
2008 S.N. Dolia, Ravi Kumar, S.K. Sharma, M.P. Sharma, Subhash Chander, M. Singh Current Applied Physics Magnetic behaviour of nanocrystalline Ni–Cu ferrite and the effect of irradiation by 100 MeV Ni ions SCI
2008 Shalendra Kumar, S.K. Sharma, Alimuddin, M. Knobel, R.J. Choudhary, Chan Gyu Lee, B.H. Koo, Ravi Kumar Current Applied Physics Structural and magnetic properties of bulk and thin films of Mg0.95Mn0.05Fe2O4 SCI
2008 S K Sharma, Ravi Kumar, Shalendra Kumar, M Knobel, C T Meneses, V V Siva Kumar, V R Reddy, M Singh and C G Lee J. Phys.: Condens. Matter Role of interparticle interactions on the magnetic behavior of Mg0.95Mn0.05Fe2O4 ferrite nanoparticles SCI
2008 S K Sharma, P Kumar, Ravi Kumar, M Knobel, P Thakur, K H Chae, W K Choi, R Kumar and D Kanjilal J. Phys.: Condens. Matter Local structure, optical and magnetic studies of Ni nanostructures embedded in a SiO2 matrix by ion implantation SCI
2008 M Wasi Khan, Ravi Kumar, R J Choudhary, J P Srivastava, S I Patil and W K Choi J. Phys. D: Appl. Phys. Electrical transport and 1/f noise properties of LaFe1−xNixO3 (x = 0.3, 0.4 and 0.5) thin films SCI
2008 Ravi Kumar, Abhinav Pratap Singh, P Thakur, K H Chae, W K Choi, Basavaraj Angadi, S D Kaushik and S Patnaik J. Phys. D Appl. Phys. Ferromagnetism and metal–semiconducting transition in Fe-doped ZnO thin films SCI
2008 Navdeep Bajwa, Alka Ingale, D. K. Avasthi, Ravi Kumar, A. Tripathi, Keya Dharamvir, and V. K. Jindal J. Phys. D Appl. Phys. Role of electron energy loss in modification of C60 thin films by swift heavy ions SCI
2009 Shalendra Kumar, Ravi Kumar, B. H. Koo, H. Choi, Dong Uk Kim, Chan Gyu Lee Journal of the Ceramic Society Japan Structural and electrical properties of Mg2TiO4 Scopus
2009 Huang-Chin Chen, Umesh Palnitkar, Way-Faung Pong, I-Nan Lin, Abhinav Pratap Singh and Ravi Kumar Journal of Applied Physics Enhancement in electron field emission in ultrananocrystalline and microcrystalline diamond films upon 100 MeV silver ion irradiation SCI
2009 Sunil Kumar, R. Kumar, D.P. Singh Applied Surface Science Swift heavy ion induced modifications in cobalt doped ZnO thin films: Structural and optical studies SCI
2009 M. Ramesh Babua, X.F. Han, P. Mandal, Ravi Kumar, K. Asokan, R. Jayavel Materials Chemistry and Physics 90 MeV 16O heavy-ion irradiation effects on La0.9Pb0.1MnO3 single crystals SCI
2009 Vinay Kumar, H.C. Swart, O.M. Ntwaeaborwa, Ravi Kumar, S.P. Lochab, Varun Mishra, Nafa Singh Optical Materials Thermoluminescence response of CaS:Bi3+ nanophosphor exposed to 200 MeV Ag+15 ion beam SCI
2009 Shalendra Kumar, Y.J. Kim, B.H. Koo, S. Gautam, K.H. Chae, Ravi Kumar, C.G. Lee Materials Letters Room temperature ferromagnetism in chemically synthesized ZnO rods SCI
2009 S.K. Sharma, Shalendra Kumar, P. Thakur, Alimuddin, R.J. Choudhary, D.M. Phase, C.T. Meneses, M. Knobel, C.G. Lee, M. Singh, Ravi Kumar Thin Solid Films Irradiation induced texturing in the Mg0.95Mn0.05Fe2O4 ferrite thin film SCI
2009 Abida Bashir , M Ikram , Ravi Kumar , P Thakur , K H Chae , W K Choi and V R Reddy J. Phys.: Cond. Matter Structural, magnetic and electronic structure studies of NdFe1−xNixO3 (0 ≤ x ≤ 0.3) SCI
2009 .K. Sharma, Shalendra Kumar, R.J. Choudhary, Ravi Kumar Surface & Coatings Technology Effect of 200 MeV Ag ion irradiation on structural and magnetic properties of Mg0.95Mn0.05Fe2O4 ferrite thin films SCI
2009 Abhinav Pratap Singh , Ravi Kumar , P Thakur , N B Brookes , K H Chae and W K Choi J. Phys.: Cond. Matter NEXAFS and XMCD studies of single-phase Co doped ZnO thin films SCI
2009 Ankush Vij , Surender Singh , Ravi Kumar , S P Lochab , V V S Kumar and Nafa Singh J. Phys. D: Appl. Phys. Synthesis and luminescence studies of Ce doped SrS nanostructures SCI
2009 D K Shukla , Ravi Kumar , S K Sharma , P Thakur , R J Choudhary , S Mollah , N B Brookes , M Knobel , K H Chae and W K Choi J. Phys. D: Appl. Phys. Thin film growth of multiferroic BiMn2O5 using pulsed laser ablation and its characterization SCI
2009 Shalendra Kumar, S.K. Sharma, Alimuddin, M. Knobel, R.J. Choudhary, Chan Gyu Lee, B.H. Koo and Ravi Kumar Current Appl. Phys. Structural and magnetic properties of bulk and thin films of Mg0.95Mn0.05Fe2O4 SCI
2009 P.K.Mehta, B Bishnoi, R Kumar, R. J. Choudhary, and D. M. Phase Solid State Phenomena Dielectric and Conductivity Studies of Sr[(Mg0.32Co0.02)Nb0.66]O3 Thin Film Scopus
2009 Shalendra Kumar, S.K. Sharma, R.J. Choudhary, C G Lee, B H Koo, Alimuddin, and Ravi Kumar J. Ceram. Soc. Japan Engineering structural & magnetic properties of MgMnFe2O4 thin film using 200 MeV Au Ions Scopus
2009 Abida Bashir , M Ikram , Ravi Kumar , P Thakur , K H Chae , W K Choi and V R Reddy J. Phys.: Condens. Matter Structural, magnetic and electronic structure studies of NdFe1−xNixO3 (0 ≤ x ≤ 0.3) SCI
2009 M Wasi Khan , Ravi Kumar , M A Majeed Khan , Basavaraj Angadi , Y S Jung , W K Choi and J P Srivastava Semiconductor Science and Technology Solubility of Co clusters in Co-implanted ZnO thin films by 200 MeV Ag15+ ions irradiation SCI
2009 Sanjeev Gautam , Shalendra Kumar , P Thakur , K H Chae , Ravi Kumar , B H Koo and C G Lee J. Phys. D: Appl. Phys. Electronic structure studies of Fe-doped ZnO nanorods by x-ray absorption fine structure SCI
2009 N E Rajeevan , Ravi Kumar , D K Shukla , P Thakur , N B Brookes , K H Chae , W K Choi , S Gautam , S K Arora , I V Shvets and P P Pradyumnan J. Phys.: Condens. Matter Bi-substitution-induced magnetic moment distribution in spinel BixCo2−xMnO4 multiferroic SCI
2009 Ravi Kumar, S. K. Arora, I. V. Shvets, N. E. Rajeevan, P. P. Pradyumnan, and D. K. Shukla J. Appl. Phys. Structural and transport properties of Bi-substituted Co2MnO4 SCI
2009 P. L. Meena, Ravi Kumar, C. L. Prajapat, K Sreenivas, and Vinay Gupta J. Appl. Phys. Dielectric studies of Co3−xMnxO4 (x = 0.1–1.0) cubic spinel multiferroic SCI
2009 Ankush Vij, S.P. Lochab, Surender Singh, Ravi kumar, Nafa Singh Journal of Alloys and Compounds Thermoluminescence study of UV irradiated Ce doped SrS nanostructures SCI
2009 Ashvani Kumar, Devendra Singh, Ravi Kumar, Davinder Kaur Journal of Alloys and Compounds Effect of crystallographic orientation of nanocrystalline TiN on structural, electrical and mechanical properties of TiN/NiTi thin films SCI
2009 Ranjana S. Varma, D.C. Kothari, R.J. Choudhari, Ravi Kumar, R. Tewari, G.K. De Surface & Coatings Technology Study of formation of Cu nanoparticle using Swift heavy ions SCI
2009 N.E. Rajeevan, Ravi Kumar, D.K. Shukla, P.P. Pradyumnan, S.K. Arora, I.V. Shvets Materials Science and Engineering: B Structural, electrical and magnetic properties of Bi-substituted Co2MnO4 SCI
2009 P. Thakur, J. C. Cezar, N. B. Brookes, R. J. Choudhary, Ram Prakash, D. M. Phase, K. H. Chae, and Ravi Kumar Appl. Phys. Lett. Direct observation of oxygen induced room temperature ferromagnetism in MoO2 thin films by x-ray magnetic circular dichroism characterizations SCI
2010 Ankush Vij, Amit Kumar Chawla, Ravi Kumar, S.P. Lochab, Ramesh Chandra, Nafa Singh Physica B Effect of 120 MeV Ag9+ ion beam irradiation on the structure and photoluminescence of SrS:Ce nanostructures SCI
2010 M. Wasi Khan, Shahid Husain, M.A. Majeed Khan, Maneesha Gupta, Ravi Kumar and J.P. Srivastav Philosophical Magazine Small polaron hopping conduction mechanism in Ni-doped LaFeO3 Scopus
2010 P. Thakur, J. C. Cezar, N. B. Brookes, R. J. Choudhary, D. M. Phase, K. H. Chae, Ravi Kumar Hyperfine Interaction X-ray absorption and magnetic circular dichroism characterization of Mo1−xFexO2 (x = 0–0.05) thin films grown by pulsed laser ablation SCI
2010 Surender Singh, Ankush Vij, S.P. Lochab, Ravi Kumar, Nafa Singh Materials Research Bulletin Synthesis and characterization of bismuth doped barium sulphide nanoparticles SCI
2010 S. Singh, S. P. Lochab, R. Kumar , N. Singh Chalcogenide Letters Photoluminescence and Thermoluminescnce of BaS:Ce Nanophosphors SCI
2010 Abida Bashir, M. Ikrama, Ravi Kumar, P.N. Lisboa-Filho, P. Thakur Materials Science and Engineering B Structural, electronic structure and magnetic studies of SmFe1−xNixO3 (x ≤ 0.5) SCI
2010 Dinesh Pathak and R. K. Bedi, Davinder Kaur and Ravi Kumar Journal of the Korean Physical Society Fabrication of Densely Distributed Silver Indium Selenide Nanorods by Using Ag+ Ion Irradiation SCI
2010 Ravi Chand Singh, Manmeet Pal Singh, Onkar Singh, Paramdeep Singh Chandi, Ravi Kumar Appl Phys A Effect of 100 MeV O7+ ions irradiation on ethanol sensing response of nanostructures of ZnO and SnO2 SCI
2010 Ankush Vij, Ravi Kumar, Amit Kumar Chawla, S.P. Lochab, Ramesh Chandra, Nafa Singh Optical Materials Swift heavy ion induced synthesis and enhanced photoluminescence of SrS:Ce nanoparticles SCI
2010 Bhagwati Bishnoi, P. K. Mehta, Ravi Kumar, R. J. Choudhary and D. M. Phase Integrated Ferroelectrics Structure Correlated Enhancement in Dielectric and Electrical Properties of Strontium Based Niobates SCI
2010 . E. Rajeevan, Ravi Kumar, D. K. Shukla, R. J. Choudhary and P. P. Pradyumnan Integrated Ferroelectrics Effect of Bi on the Magnetodielectric Properties of Co2MnO4 Thin Films SCI
2010 Aditya Sharma, K.D. Verma, Mayora Varshney, Devendra Singh, Moti Singh, K. Asokan and Ravi Kumar Radiation Effects & Defects in Solids Effect of 100 MeV O7+ ion beam irradiation on structural, optical and electronic properties of SnO2 thin films SCI
2010 D.K. Shukla, Ravi Kumar, S. Mollah, R.J. Choudhary, P.N. Vishwakarma, V.G. Sathe, and V. Ganesan J. Phys. Condensed Matter Inspection of multiferrocity in BiMn2-xTixO5 ceramics through specific heat and Raman spectroscopic studies SCI
2010 Aditya Sharma, K.D. Verma, Mayora Varshney, A.P. Singh, Yogesh Kumar, Subhod Srivastava, Y.K. Vijay, K. Asokan, R.J. Choudhary and Ravi Kumar Advanced Science Letters Growth of nano pillars in SnO2 thin films by ion irradiation and its gas sensing properties SCI
2010 D.K. Shukla, Ravi Kumar, S. Mollah, R.J. Choudhary, P. Thakur, S.K. Sharma, N.B. Brookes and M. Knobel Phys. Rev. B. Swift heavy irradiation induced magnetism in frustrated BiMn2O5 thin films SCI
2010 B.L. Ahuja, Alpa Dashora, N.L. Heada, Ahailja Tiwari, N.E. Rajeevan, M. Itou, Y. Sakurai and Ravi Kumar Appl. Phys. Lett. Reversal of orbital magnetic moment on substitution of Bi in Co2MnO4: A magnetic Compton scattering study SCI
2010 Yogesh Kumar, R.J. Choudhary, A.P. singh, G. Anjum and Ravi Kumar J. Appl. Phys. Evidence of quantum correction to conductivity in strained epitaxial LaNiO3 thin films SCI
2010 Anjum, S. Mollah, D.K. Shukla and Ravi Kumar Materials Letters Magneto-electric coupling in multiferroic La0.8Bi0.2FeO3 ceramic SCI
2010 Ankush Vij, S.P. Lochab, Ravi Kumar, Nafa Singh Journal of Alloys and Compounds Thermoluminescence response and trap parameters determination of gamma exposed Ce doped SrS nanostructures SCI
2010 Basavaraj Angadi, V.M. Jali, Ravi Kumar, S.B. Krupanidhi Nuclear Instruments and Methods in Physics Research Section B Impedance studies on high energy Li3+ irradiated PZT thin films SCI
2010 Jitendra Pal Singh, R.C. Srivastava, H.M. Agrawal, Ravi Kumar Nuclear Instruments and Methods in Physics Research B Magnetic behaviour of nanosized zinc ferrite under heavy ion irradiation SCI
2010 Abida Bashir Makhdoomi, M Ikram, Ravi Kumar Journal of Magnetism and Magnetic Materials Mössbauer studies and magnetic studies of Ni-doped orthoferrites PrFe1−xNixO3 (x ≤ 0.3) SCI
2010 Jitendra Pal Singh, R.C. Srivastava, H.M. Agrawal, Ravi Kumar, V.R. Reddy, Ajay Gupta Journal of Magnetism and Magnetic Materials Magnetic study of nanostructured zinc ferrite irradiated with 100 MeV O-beam SCI
2010 D. K. Shukla, Ravi Kumar, S. Mollah, R. J. Choudhary, P. Thakur, S. K. Sharma, N. B. Brookes, and M. Knobel J. Appl. Phys. Modifications in magnetic properties of BiMn2O5 multiferroic using swift heavy ion irradiation SCI
2010 M. Wasi Khan, M. A. Majeed Khan, Mansour Alhoshan, M. S. AlSalhi, A. S. Aldwayyan, Ravi Kumar, and Shahid Husain J. Appl. Phys. Influence of 190 MeV Ag+15 ion irradiation on electrical transport and magnetic properties of LaFe1−xNixO3 (x = 0.3 and 0.4) thin films SCI
2010 G. Anjum, Ravi Kumar, S. Mollah, D. K. Shukla, Shalendra Kumar, and C. G. Lee J. Appl. Phys. Structural, dielectric, and magnetic properties of La0.8Bi0.2Fe1−xMnxO3 (0.0 ≤ x ≤ 0.4) multiferroics SCI
2010 Aditya Sharma, Abhinav Pratap Singh, P. Thakur, N. B. Brookes, Shalendra Kumar, Chan Gyu Lee, R. J. Choudhary, K. D. Verma, and Ravi Kumar. J. Appl. Phys. Structural, electronic, and magnetic properties of Co doped SnO2 nanoparticles SCI
2011 Surender Singh, Ankush Vij, S P Lochab, Ravi Kumar and Nafa Singh Bull. Mater. Sci. Thermoluminescence properties of γ-irradiated Bi doped BaS nanostructures Scopus
2011 Jitendra Pal Singh, R.C. Srivastava, H.M. Agrawal, Prem Chand, Ravi Kumar Current Applied Physics Observation of size dependent attributes on the magnetic resonance of irradiated zinc ferrite nanoparticles SCI
2011 M.R. Singh, C.L. Prajapat, Anjana Dogra, Ravi Kumar, G. Yashwant, Ravi kumar, S.K. Gupta, Soo Hyun Kim, In-sun Jo, Sung-Ik Lee Nuclear Instruments and Methods in Physics Research B Effect of Ag15+ and Li3+ ion irradiation on superconducting Tl2Ca2Ba2Cu3O10 single crystals SCI
2011 Bhagwati Bishnoi, P.K. Mehta, C.J. Panchal, M.S. Desai, Ravi Kumar, V. Ganesan Materials Chemistry and Physics Ag15+ and O7+ ion irradiation induced improvement in dielectric properties of the Ba(Co1/3Nb2/3)O3 thin films SCI
2011 S K Neogi, S Chattopadhyay, Aritra Banerjee, S Bandyopadhyay, A Sarkar and Ravi Kumar J. Phys.: Condens. Matter Effect of 50 MeV Li3+ irradiation on structural and electrical properties of Mn-doped ZnO SCI
2011 Jitendra Pal Singh, R.C. Srivastavaa, H.M. Agrawala and Ravi Kumar Radiation Effects & Defects in Solids 100 MeV O7+ ion irradiation in nanosized zinc ferrite SCI
2011 Surender Singh, Ravi Kumar, Nafa Singh Journal of Alloys and Compounds Effect of swift heavy ion irradiation on bismuth doped BaS nanostructures SCI
2011 Surender Singh, S.P. Lochab, Ravi Kumar, Nafa Singh Physica B Thermoluminescence studies of bismuth doped BaxCa1-xS nanostructures SCI
2011 Surender Singh, S.P. Lochab, Ravi Kumar, Nafa Singh Physica B Thermoluminescence studies of bismuth doped BaxCa1-xS nanostructures SCI
2011 Surender Singh, Ankush Vij, S.P. Lochab, Ravi Kumar and Nafa Singh Radiation Effects & Defects in Solids Thermoluminescence studies of BaS:Bi nanophosphors exposed to UV radiation SCI
2011 Dinesh Pathak, R. K. Bedi, Davinder kaur , Ravi kumar Chalcogenide Letters 200 MeV Ag+ ion beam induced modifications in AgInSe2 films deposited by hot wall vacuum evaporation method Scopus
2011 Jitendra Pal Singh, R. C. Srivastava, H. M. Agrawala and Ravi Kumar J. Raman Spectroscopy Micro-Raman investigation of nanosized zinc ferrite: effect of crystallite size and fluence of irradiation SCI
2011 Aditya Sharma, Mayora Varshney, Shalendra Kumar, K.D.Verma and Ravi Kumar Nanomaterials and Nanotechnology Magnetic Properties of Fe and Ni Doped SnO2 Nanoparticles Scopus
2011 P.U. Sharmaa, S.N. Dolia, Ravi Kumar and K.B. Modi Radiation Effects & Defects in Solids Influence of 50 MeV Li3+-ion irradation on M–H loop characteristics of Y3+-substituted YIG SCI
2011 Wasi Khan, Alim H. Naqvi, Maneesha Gupta, Shahid Husain and Ravi Kumar The Journal of Chemical Physics Small polaron hopping conduction mechanism in Fe doped LaMnO3 SCI
2011 M.C. Chhantbar, U.N. Trivedi, Ravi Kumar and H.H. Joshi Radiation Effects & Defects in Solids Influence of thermal history and 50 MeV Li ion irradiation on the structural properties of Al3+–Cr3+ co-substituted CuFe2O4 SCI
2011 Jaiparkash, Yogesh Kumar, R.S. Chauhan, Ravi Kumar Solid State Sciences Study of dielectric properties of single phase Bi1−xCaxFeO3 (x = 0.1, 0.3, 0.5) SCI
2011 Feroz Ahmed Mir, M. Ikram and Ravi Kumar Solid State Sciences Impact of substrate on some physical properties of PrFe0.5Ni0.5O3 thin films SCI
2011 Feroz Ahmed Mir, M. Ikram and Ravi Kumar Phase Transitions Symmetry beaking in Ni doped PrFeO3 thin films established by Raman study SCI
2011 Mayora Varshney, Aditya Sharma, Ravi Kumar and K.D. Verma Nucl. Inst. Meth. Phys. Res. B Swift heavy ion irradiation induced nanoparticle formation in CeO2 thin films SCI
2011 Feroz Ahmed Mir, M. Ikram and Ravi Kumar J. Raman Spectroscopy Temperature-dependent Raman studies of PrFeO3 Thin films SCI
2011 S.K. Neogi, R. Karmakar, A. Banerjee, S. Bandopadhyay, Ravi Kumar, Alok Banerjee, A. Mallik and T.P. Sinha Rad. Eff. & Deff. In Solids Paramagnetic and anti-ferromagnetic interactions in sol–gel derived Zn1−xMnxO [50 MeV Li3+ irradiated (x= 0.04) and unirradiated (x=0.02 and 0.04)] samples SCI
2011 Prikshit Gautam, Sudipta Bhattacharyya, Sushil K. Singh, Ravi Kumar and Ram Pal Tandon Phys. Status Solidi B Effect of Zirconium doping on ferroelectric properties and leakage current mechanism on Bi3.25La0.75Ti3O12 (BLT) thin films Scopus
2011 N.E. Rajeeva, Ravi Kumar, D.K. Shukla, R.J. Chaudhary, P. Thakur, A.K. Singh, S. Patnaik, S.K. Arora, I.V. Shvets, P.P. Pradyumnan Journal of Magnetism and Magnetic Materials Magnetoelectric behavior of ferrimagnetic BixCo2-xMnO4 (x = 0, 0.1 and 0.3) thin films SCI
2011 Hardeep Thakur, P. Thakur, Ravi Kumar, N.B. Brookes, K.K. Sharma, A.P. Singh, Yogesh Kumar, S. Gautam and K.H. Chae Appl. Phys. Lett. Irradiation induced ferromagnetism at room temperature in TiO2 thin films: X-ray magnetic circular dichroism characterizations SCI
2011 P. Thakur, Ravi Kumar, J.C. Cezar. N.B. Brookes, Aditya Sharma, S.K. Arora, S. Gautam, Arvind Kumar, K.H. Chae and I.V. Shvets Chemical Physics Letters Evolution of magnetic nanophases of Ni embedded in Al2O3 (001) matrix by X-ray magnetic circular dichroism SCI
2011 Aditya Sharma, K.D. Verma, M. Varshney, A.P. Singh, Yogesh Kumar, S. Shrivatava, Y. K. Vijay, K. Asokan, R.J. Choudary and Ravi Kumar Adv. Sci. Lett. Growth of nano-pillars in SnO2 thin films using ion irradiation and its gas sensing properties