|
1990
|
Ravi Kumar, A.K. Grover, P. Chaddah, C.K. Subramanian and V. Shankaranarayanan
|
Solid State Communications
|
Measurements of higher multipole moments of an inhomogeneous magnetic state of a superconductor
|
76
|
SCI
|
|
1990
|
A.K. Grover, Ravi Kumar, P. Chaddah, C.K. Subramanian and V. Shankaranarayanan
|
Physica C
|
A reappraisal of irreversible behaviour in the intermediate state of type-I superconductor
|
170
|
SCI
|
|
1990
|
Ravi Kumar, K. Singh and T. Singh
|
Nuovo Cimento D
|
Growth and stabilization of laser ripples on laser beam in a collision less unmagnetized plasma
|
12
|
SCI
|
|
1991
|
A.K. Grover, Ravi Kumar, S.K. Malik and P. Chaddah
|
Phys. Rev. B
|
Quasi-irreversibility temperature in type-I superconductor". A.K. Grover, Ravi Kumar
|
43
|
SCI
|
|
1991
|
A.K. Grover, Ravi Kumar, S.K. Malik and P. Chaddah
|
Solid State Communications
|
An exposition of inhomogeneous magnetic states in type-I and type-II superconductors
|
77
|
SCI
|
|
1991
|
S. Ramakrishnan, Ravi Kumar, P.L. Paulose, A.K. Grover and P. Chaddah
|
Phys. Rev. B
|
Comparison of various methods to experimentally determine the irreversibility line in superconductors
|
44
|
SCI
|
|
1991
|
C.V. Tomy, Ravi Kumar and A.K. Grover
|
C.V. Tomy, Ravi Kumar and A.K. Grover
|
Hierarchy of quasi-irreversibility lines in niobium
|
80
|
SCI
|
|
1991
|
A.K. Grover, S. Ramakrishnan, Ravi Kumar, P.L. Paulose, S.K. Malik and P. Chaddah
|
Pramana-J. Phys.
|
Comparison of irreversibility temperature determined via DC and AC magnetization techniques in conventional superconductors
|
37
|
SCI
|
|
1991
|
Ravi Kumar, A.K. Grover, S. Ramakrishnan, P.L. Paulose, S.K. Malik and P. Chaddah
|
Physica C
|
Search for irreversibility line in a hard superconductor
|
185-189
|
SCI
|
|
1992
|
A.K. Grover, S. Ramakrishnan, Ravi Kumar, P.L. Paulose, G. Chandra, S.K. Malik and P. Chaddah
|
Physica C
|
Scope and limitations of DC and AC magnetization techniques to locate irreversibility line in conventional superconductors
|
192
|
SCI
|
|
1992
|
B.V.B. Sarkissian, A.K. Grover, G. Balakrishnan, Ravi Kumar, P.L. Paulose, R. Vijayaraghavan, V. Shankarnaryanan and C.K. Subramainan
|
Pramana, J. of Phys.
|
Magnetization studies in Niobium and YBa2Cu3O7-y samples
|
38
|
SCI
|
|
1993
|
Ravi Kumar, C.V. Tomy, A.K. Grover and S.K. Malik
|
Applied Superconductivity
|
Determination of irreversibility lines in hard superconductors: path dependence of field cooled magnetization
|
1
|
SCI
|
|
1994
|
Ravi Kumar, R. Walia, M. Oussena, P.A.J. de Groot, P.C. Lanchester, D. Currie and M. Weller
|
Solid State Communications
|
High field magnetization studies in YBa2Cu4O8 superconductors
|
89
|
SCI
|
|
1994
|
Ravi Kumar, A.V. Volkozub, P.A.J. de Groot, A.K. Grover and S.K. Malik
|
Physica B
|
Effect of thermomagnetic history of field cooled magnetization on irreversibility line in conventional and hugh-Tc superconductors
|
194-196
|
SCI
|
|
1992
|
B.V.B. Sarkissian, A.K. Grover, R.G. Pillay, G. Balakrishnan, Ravi Kumar and P.N. Tandon
|
J. Magnetism and Magnetic Materials
|
Magnetization and magneto-resistance study to elucidate the antiferro to ferromagnetic transition in Ce(Fe0.95Ru0.05)2
|
104-107
|
SCI
|
|
1992
|
B.V.B. Sarkissian, A.K. Grover, R.G. Pillay, G. Balakrishnan, Ravi Kumar and P.N. Tandon
|
J. Magnetism and Magnetic Materials
|
Magnetization and magneto-resistance study to elucidate the antiferro to ferromagnetic transition in Ce(Fe0.95Ru0.05)2
|
104-107
|
SCI
|
|
1992
|
Ravi Kumar, S.K. mailik, S.P. Pai, R. Pinto, P.R. Apte, R. Vijayaraghavan and Dhanajay Kumar
|
Phys. Rev. B
|
Self-field-induced flux creeps in YBa2Cu3O7-y thin films
|
46
|
SCI
|
|
1992
|
A.K. Rajarajan, A. Sundaresan, Ravi Kumar, M. Sharon, L.C. Gupta and R. Vijayaraghavan
|
J. Phys.: Condensed Matter
|
Nuclear Magnetic Resonance of Tl in superconducting TlBa2-xLaxCuO5-y
|
4
|
SCI
|
|
1992
|
L.S. Grigoryan, Ravi Kumar, S.K. Malik, R. Vijayaraghavan and A.R. Harutyunyan
|
Physica C
|
Effect of benzene intercalation on magnetization of Bi-oxide based superconductors
|
198
|
SCI
|
|
1992
|
R. Pinto, Ravi Kumar, Navdeep Goyal, P.R. Apte, S.P. Pai and S.K. Malik
|
Solid State Communications
|
Non-linear response of YBa2Cu3O7-y thin film microstrip resonator at microwave frequencies
|
84
|
SCI
|
|
1993
|
L.S. Grigoryan, Ravi Kumar, S.K. Malik, R. Vijayaraghavan, M.D. Shastri, Ajay Kumar and H.D. Bist
|
Physica C
|
Intercalation of Bi and Tl-oxide superconductors with conjugated ring-shaped organic molecules X-ray, Raman scattering, microwave and magnetic studies
|
205
|
SCI
|
|
1993
|
Ravi Kumar, S.K. Malik, R. Pinto and R. Vijayaraghavan
|
Applied Superconductivity
|
Flux creep in YBa2Cu3O7-y thin films induced by self field due to transport current
|
1
|
SCI
|
|
1993
|
R.K. Singhal, N.L. Saini, K.B. Garg, J. Kanski, L. Ilver, P.O. Nelsson, Ravi Kumar and L.C. Gupta
|
J. Phys.: Condens. Matter
|
Study of some Ce intermetallics by core-level photoemission
|
5
|
SCI
|
|
1993
|
Ravi Kumar, C.V. Tomy, A.K. Grover, S.K. Malik
|
Applied Superconductivity
|
Determination of irreversibility line in hard type-II superconductors: Path dependence of field-cooled magnetization
|
1
|
SCI
|
|
1993
|
V.V. Krishnamurthy, S.N. Mishra, Ravi Kumar, S.H. Devare and H.G. Devare
|
Hyperfine Interactions
|
Local magnetization of Rh in Ni-Rh alloys near the critical composition for ferromagnetism
|
78
|
SCI
|
|
1994
|
Ravi Kumar, A.V. Volkozub, P.A.J.de Groot, A.K. Grover, S.K. Malik
|
Physica B: Condensed Matter
|
Effect of thermomagnetic history of field-cooled magnetization on the irreversibility line in conventional and high-Tc superconductors
|
194-196
|
SCI
|
|
1994
|
Ravi Kumar, R. Walia, M. Oussena, P.A.J.de Groot, P.C. Lanchester, D.B. Currie, M.T. Weller
|
Solid State Communications
|
High field magnetization study of YBa2Cu4O8
|
89
|
SCI
|
|
1994
|
A.A. Zhukov, A.V. Volkozub, P.A.J. de Groot, Ravi Kumar and A.J.S. Chowdhury
|
Physica C
|
Field-cooled magnetization of High-Tc single crystals: thermal history effects
|
235-240
|
SCI
|
|
1998
|
Ravi Kumar, S.B. Samata, S.K. Arora, Anurag Gupta, D. Kanjilal, R.Pinto and A.V. Narlikar
|
Solid State Communications
|
Study of columnar amorphization and structural symmetry changes produced by swift heavy ion irradiation in YBa2Cu3O7-y thin films
|
106
|
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
|
J. Appl. Phys.
|
90 MeV 16O ion irradiation effects on transport and magnetization in epitaxial thin films of La0.75 Ca0.25 MnO3
|
83
|
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
|
Rad. Eff. & Diff. in Solids
|
Swift heavy ion irradiation effects on transport properties of epitaxial thin films of La1-xCaxMnO3
|
147
|
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
|
J. Appl. Phys.
|
Influence of 90 MeV oxygen ion irradiation ion induced disorder on magnetotransport in epitaxial La0.7 Ca0.3 MnO3 thin films
|
84
|
SCI
|
|
1998
|
S.K. Arora, Ravi Kumar, D. Kanjilal, Ravi Bathe, S.I. Patil, S.B. Ogale and G.K. Mehta
|
Solid State Communications
|
1/f noise properties of La1-xCaxMnO3 thin films
|
108
|
SCI
|
|
1999
|
S.K. Arora, Ravi Kumar, D. Kanjilal, G.K. Mehta, S. Khatua, R. Pinto, Vijay Kumar and A.K. Gupta
|
Bull. Mater. Sci
|
1/f noise properties of swift heavy ion irradiated epitaxial YBCO thin films
|
22
|
SCI
|
|
1999
|
S.K. Arora, Rajendra Sing, Ravi Kumar, D. Kanjilal and G.K. Mehta
|
Nucl. Inst. & Methods Phys. Res. B
|
In situ 1/f noise study of SHI irradiated p-type Silicon
|
156
|
SCI
|
|
1999
|
S.K. Arora, Ravi Kumar, Rajendra Singh, Ravi Bathe, S.I. Patil, S.B. Ogale, D.Kanjilal and G.K. Mehta
|
J. Appl. Phys.
|
Electronic transport and conduction noise studies on 250 MeV Ag ion irradiated LCMO thin films
|
86
|
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,
|
IETE Journal of Research
|
Role of Swift heavy ion irradiation in flux dynamics of High temperature superconducting thin films
|
45
|
SCI
|
|
1999
|
Udayan De, A. Sarkar, D. Sanyal, Ravi Kumar and D. Benerjee
|
Nucl. Inst. Meth. in Phys. B
|
Enhancement and degredation of Tc in Bi-HTSC due to Li and He ion irradiations
|
156
|
SCI
|
|
1999
|
Anurag Gupta, Ahmed Sedky, S.B. Samanta, Md. Shahbuddin, Ravi Kumar and A.V. Narlikar
|
Nucl. Inst. Meth. in Phys. B
|
Group In-charge "AC susceptibility and STM studies on Bi2Sr2CaCu2O8+x single crystals irradiated with heavy ions
|
156
|
SCI
|
|
1999
|
G.L. Bhalla, Ujjual Divakar, G.C. Trigunayat, Ravi Kumar, D. Kanjilal and G.K. Mehta
|
Nucl. Inst. Meth. in Phys. B
|
Angular dependence of magnetotransport properties in YBCO films with columnar defects
|
156
|
SCI
|
|
1999
|
Tamalika Bandyopadhyay, Ravi Kumar, D. Kanjilal, S.B. Samanta, Anurag Gupta, A.V. Narlikar and S. Ramasamy
|
Nucl. Inst. Meth. in Phys. B
|
X-ray, resistivity and AC susceptibility studies of 100 MeV O ion irradiated polycrystalline Bi2223
|
156
|
SCI
|
|
1999
|
Sanghamittra Khatua, Ravi Kumar, P.K. Mishra, V.C. Sahni and R. Pinto
|
Nucl. Inst. Meth. in Phys. B
|
Vortex dynamics of 250 MeV Ag ion irradiated YBCO thin films
|
156
|
SCI
|
|
1999
|
A. Radhika Devi, V. Sheshubai, P.V. Patanjali, R.Pinto, N. Harish Kumar, S.K. Malik and Ravi Kumar
|
Nucl. Inst. Meth. in Phys. B
|
Effect of 250 MeV Ag17+ ion irradition on superconductivity in DyBa2Cu3O7−δ thin films
|
156
|
SCI
|
|
1999
|
Jaimon Yohannan, Ravi Kumar and K. Nandakumar
|
Nucl. Inst. Meth. in Phys. B
|
Effect of heavy ion irradiation on the dielectric properties of selected barium sodium niobate ceramics
|
156
|
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
|
Nucl. Inst. Meth. in Phys. B
|
Swift heavy ion-based materials science research at NSC
|
156
|
SCI
|
|
2000
|
Sanghamitra Khatua, P.K. Mishra, D.G. Kulkarni, Ravi Kumar, J. John, V.C. Sahni and R. Pinto
|
Superconductors Science & Technology
|
Swift heavy ion irradiation and fish tail magnetization in NBCO thin films- the cause and effect
|
13
|
SCI
|
|
2000
|
Tamalika Banerjee, Ravi Kumar, D. Kanjilal and S. Ramasamy
|
Physica C
|
Fluctuation induced conductivity studies of 100MeV Oxygen ion irradiated Pb doped Bi-2212 superconductors
|
341-348
|
SCI
|
|
2000
|
Ujjual Divakar, G.L. Bhalla and Ravi Kumar
|
Nucl. Inst. & Meth in Phys. Res. B
|
Bose-glass phase in crossed heavy ion irradiated YBa2Cu3O7-y
|
171
|
SCI
|
|
2000
|
T. Banerjee, R.N. Viswanath, D. Kanjilal, Ravi Kumar and S. Ramasamy
|
Solid State Communications
|
Positron lifetime studies of 100MeV Oxygen ion irradiated Pb doped Bi-2223 superconductors
|
114
|
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
|
J. Appl. Phys.
|
Columnar defect induced phase transformation in epitaxial La0.7Ca0.3 MnO3 films
|
87
|
SCI
|
|
2001
|
Sanghamitra Khatua, P K Mishra, Ravi Kumar, V C Sahni and R Pinto
|
J. Phys. D: Appl. Phys.
|
Boson localization and Mott insulator phase in NBCO films
|
34
|
SCI
|
|
2001
|
A. Deepthy, K.S.R.K. Rao, H.L. Bhat, Ravi Kumar and K. Asokan
|
J. Appl. Phys.
|
Grey track formation in KTiOPO4 by swift heavy ion irradiation
|
89
|
SCI
|
|
2001
|
V.K. Dixit, B.V. Rodrigues, H.L. Bhat, Ravi Kumar, R. Venkataragvan, K.S. Chandrasekharan and B.M. Arora
|
J. Appl. Phys.
|
Effect of Li ion irradiation on the transport and optical properties of Bridgman grown n-type InSb single crystals
|
90
|
SCI
|
|
2002
|
Basavraj Angadi, V.M. Jali, M.T. Lagare, N.S. Kini, A.M. Umarji, Ravi Kumar, S.K. Arora and D. Kanjilal
|
Nucl. Inst. Meth. in Phys. B
|
50 MeV Li3+ irradiation effect on the thermal expansion of Ca1-xSrxZr4P6O24
|
187
|
SCI
|
|
2002
|
Sanghamitra Khatua, P.K. Mishra, Ravi Kumar, V.C. Sahni and R. Pinto
|
Superconductors Science & Technology
|
Long Columns and vortex mobility: a case study in NBCO thin films
|
15
|
SCI
|
|
2002
|
D.C. Kundaliya, A.A. Tulapurkar, R. Pinto, Ravi Kumar and R.G. Kulkarni
|
Solid State Communications
|
A Comparative study of magnetotransport and magnetization in epitaxial La0.6Nd0.2Ca0.2MnO3 unirradiated and heavy ion irradiated thin films.
|
122
|
SCI
|
|
2002
|
M. Singh, Anjana Dogra, Ravi Kumar
|
Nuclear Instruments and Methods in Physics Research B
|
Effect of 50 MeV Li3+ ion irradiation on structural, dielectric and permeability studies of In3+ substituted Mg–Mn ferrite
|
196
|
SCI
|
|
2002
|
T. Banerjee, S. B. Samanta, A Gupta, Dinakar Kanjilal, Ravi Kumar, S. Ramasamy, A. V. Narlikar
|
Solid State Communications
|
STM/STS studies of Bi–O layers of Pb doped Bi-2223 superconductors irradiated by 100 MeV oxygen ion
|
123
|
SCI
|
|
2002
|
K. Asokan, J.C. Jan, J.W. Chiou, W.P. Pong, Ravi Kumar, Shahid Husain and J.P. Srivastava
|
Surface Rev. Lett.
|
Electronic structure studies of La0.7Ca0.3MnO3 and La0.7Ce0.3MnO3 by x-ray absorption spectroscopy
|
9
|
SCI
|
|
2002
|
Shahid Husain, R.J. Choudhary, Ravi Kumar, S.I. Patil and J.P. Srivastava
|
Pramana J. Phys.
|
Study of structural and electronic properties of Ce doped LaMnO3
|
58
|
SCI
|
|
2003
|
Basavraj Angadi, P. Victor, V.M. Jali, M.T. Lagare, Ravi Kumar and S.B. Krupanidhi
|
Mater. Sci. Engg. B
|
AC conductivity studies on Li irradiated PZT and SBT ferroelectric thin films
|
100
|
SCI
|
|
2003
|
Basavraj Angadi, P. Victor, V.M. Jali, M.T. Lagare, Ravi Kumar and S.B. Krupanidhi
|
Thin Solid Films
|
High energy Li ion irradiation effect in ferroelectric PZT and SBT films
|
434
|
SCI
|
|
2003
|
Anjana Dogra, M. Singh and Ravi Kumar
|
Nucl. Instrum Meth. Phys. B
|
50 MeV Li ion irradiation induced modifications in dielectric properties of Al substituted Mg-Mn ferrite
|
207
|
SCI
|
|
2003
|
D.M. Bhardwaj, D.C. Jain, K.V.R. Rao, Ravi Kumar and K. Asokan
|
Indian J. Pure & Appl. Phys.
|
Photoluminescence studies on pre and post irradiated ruby
|
41
|
SCI
|
|
2003
|
Basavaraj Angadi, V.M. Jali, M.T. Lagare, V.V. Bhat, A.M. Umarji and Ravi Kumar
|
Radiation Measurements
|
Radiation resistance of PFN and PMN-PT relaxor ferroelectrics
|
36
|
SCI
|
|
2003
|
S. Chattopadhyaya, A. Banerjeeb, A. Sarkara, Ravi Kumar, B.K. Chaudhuri, D. Banerjee
|
Radiation Measurements
|
Study of 50 MeV Li3+ irradiation induced changes in La0.7Pb0.3MnO3
|
36
|
SCI
|
|
2003
|
Anjana Dogra, M. Singh, V.V. Siva Kumar, N. Kumar and Ravi Kumar
|
Nucl. Instrum Meth. Phys. B
|
Irradiation effect on dielectric properties of NiMn0.05Tix(Zn,Mg)xFe1.95-2xO4 ferrite thin films
|
212
|
SCI
|
|
2003
|
Anjana Dogra, M. Singh, N. Kumar, P. Sen and Ravi Kumar
|
Nucl. Instrum Meth. Phys. B
|
Mossbauer studies of 190 MeV Ag ion irradiated NiMn0.05TixMgxFe1.95-2xO4 ferrite
|
212
|
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
|
Radiation Measurements
|
Study of 200 MeV Ag ion irradiation effects on the stochiometry of La-2125 type superconducting thin films using ERDA
|
36
|
SCI
|
|
2003
|
Anjana Dogra, S.K. Srivastava, M. Singh, N. Kumar, P. Sen and Ravi Kumar
|
Radiation Measurements
|
Mossbauer studies of 190 MeV Ag ion irradiated NiMn0.05TixMgxFe1.95-2xO4 ferrite
|
36
|
SCI
|
|
2004
|
D.M. Bhardwaj, D.C. Jain, S. Dalela, Ravi Kumar, N.L. Saini and K.B. Garg
|
Physica B
|
Study of the effect of swift heavy Ni ion irradiation on ruby single crystals using the XANES and EXAFS techniques
|
350
|
SCI
|
|
2004
|
D.M. Bhardwaj, D.C. Jain, K.V.R. Rao, Ravi Kumar, Fouran Singh and R.P. Gupta
|
Nucl. Instrum. Meth. Phys. B
|
Photoluminescence and atomic force microscopy studies on pre- and post irradiated ruby with Ni ions
|
222
|
SCI
|
|
2004
|
Anjana Dogra, Ravi Kumar, N. Kumar, P. Sen and M. Singh
|
Materials Sci. Engg. B
|
Structural and magnetic studies of NiMn0.05TixMgxFe1.95-2xO4 ferrite
|
110
|
SCI
|
|
2004
|
Balwinder Kour, Monita Bhat, F. Licci, Ravi Kumar, P.N. Kotru and K.K. Bamzai
|
Nucl. Instrum. Meth. Phys. B
|
Effect of 50 MeV Li ion irradiation on mechanical characteristics of pure and Ga-In substituted M-type strontium hexaferrite
|
222
|
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, Shahid Husain and J.P. Srivastava
|
J. Phys. Condensed Matter
|
Electron and hole doping effects on electronic structure of manganite studied by x-ray absorption spectrocopy
|
16
|
SCI
|
|
2004
|
D.M. Bhardwaj, D.C. Jain, K.B. Garg, Ravi Kumar, Fouran sing and R.P. Gupta
|
Radiation Effects & Defects in Solids
|
Photoluminescence and atomic force microscoy studies of pre- and post-irradiated ruby with Fe ions
|
159
|
SCI
|
|
2004
|
M. Singh, Anjana Dogra and Ravi Kumar
|
Mat. Res. Soc. Symp. Proc.
|
Mossbauer study of 50 MeV Li ion irradiated Mg0.9Mn0.1InxFe2-xO4 ferrite
|
792
|
SCI
|
|
2004
|
Anjana Dogra, Ravi Kumar, S.A. Khan, V.V. Siva Kumar, N. Kumar and M. Singh
|
Nucl. Instrum. Meth. Phys. B
|
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
|
SCI
|
|
2004
|
B.S. Chauhan, Ravi Kumar, K.M. Jadhav and M. Singh
|
J. Mag. Magn. Mater.
|
Magnetic study of substituted Mg-Mn ferrites synthesized by citrate precursor method
|
283
|
SCI
|
|
2004
|
S. Chattopadhyay, A. sarkar, A. Banerjee, S. Karmkar, D. Banerjee, Ravi Kumar and B.K. Choudhary
|
Nucl. Instrum. Meth. Phys. B
|
Effect of Li ion irradiation on transport properties of La0.7Pb0.3MnO3 type CMR materials
|
226
|
SCI
|
|
2004
|
D.M. Bhardwaj, D.C. Jain, Ravi Kumar and K.B. Garg
|
Physica B
|
Study of the effect of swift heavy Fe ion irradiation on ruby crystal using the XANES technique
|
352
|
SCI
|
|
2003
|
Navdeep Bajwa, K. Dharamvir, V.K. Jindal, Alka Ingale, D.K. Avasthi, Ravi Kumar and A. Tripathi
|
J. Appl. Phys.
|
Swift heavy ion induced modifications of C60 thin films
|
94
|
SCI
|
|
2004
|
Ravi Kumar, R.J. Choudhary, S.I. Patil, Shahid Husain, J.P. Srivastava, S.P. Sanyal and S.E. Lofland
|
J. Appl. Phys.
|
Structural, electrical, magnetization and 1/f studies in 200MeV Ag ion irradiated La0.7Ce0.3MnO3 thin films
|
96
|
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
|
Appl. Phys. Lett.
|
Evaluation of manganite films on silicon for uncooled bolometer applications
|
84
|
SCI
|
|
2004
|
Sanghamitra Khatua, P.K. Mishra, Ravi Kumar, D.C. Kundaliya, D. Buddhikot, R. Pinto and S.K. Malik
|
J. Appl. Phys.
|
Columnar tilt and vortex stress in superconducting thin films of NdBa2Cu3O7-y: magnetization critical current density measurements
|
96
|
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
|
J. Appl. Phys.
|
Structural, electrical transport and x-ray absorption spectroscopy studies on LaFe1-xNixO3 (x = 0 to 0.6)
|
97
|
SCI
|
|
2005
|
S.K. Arora, Ravi Kumar, M. Wasi Khan, J.P. Srivastava, R.G.S. Sofin and I.V. Shevets
|
J. Appl. Phys.
|
Influence of anti phase boundary (APB) density on conduction noise properties of epitaxial thin Fe3O4 thin films
|
97
|
SCI
|
|
2005
|
R.J. Choudhary, Ravi Kumar, M. Wasi Khan, J.P. Srivastava, S.I. Patil, S.K. Arora and I.V. Shvets
|
Appl. Phys. Lett.
|
Exposition of semiconducting and ferromagnetic properties of pulsed laser deposited thin films of LaFe1-xNixO3 (x= 0.3, 0.4 and 0.5)
|
87
|
SCI
|
|
2005
|
R.J. Choudhary Ravi Kumar, S.I. Patil, Shahid Husain, J.P. Srivastava, S K Malik
|
Appl. Phys. Lett.
|
Enhanced magnetic and bolometric sensitivity of La0.7Ce0.3Mn3 thin films due to 200 MeV Ag ion irradiation
|
86
|
SCI
|
|
2006
|
Monita Bhat, Balwinder Kaur, Ravi Kumar, P.A. Joy, S.D. Kulkarni, K.K. Bamzai, P.N. Kotru, B.M. Wanklyn
|
Nucl. Instrum. Meth. Phys. B
|
Swift heavy ion irradiation effects on structural and magnetic characteristics of RFeO3 (R= Er, Ho and Y) crystals
|
243
|
SCI
|
|
2005
|
Navdeep Bajwa, Alka Ingale, D.K. Avasthi, Ravi Kumar, A. Tripathi, K. Dharmvir, V.K. Jindal, Michael Schmitt and W. Kiefer
|
Proceedings of Materials Research Society
|
Au ion induced modifications in C60 thin films
|
851
|
SCI
|
|
2005
|
S.K. Sharma, Ravi Kumar, S.N. Dolia, V.V. Siva Kumar and Mahavir Singh
|
Proceedings of Materials Research Society
|
Magnetic nanoparticles for space applications
|
851
|
SCI
|
|
2005
|
Monita Bhat, Balwinder Kaur, Ravi Kumar, K.K. Bamzai, P.N. Kotru and B.M. Wanklyn
|
Material Chemistry and Physics
|
Modifications in the mechanical characteristics of YFeO3 crystals on irradiation
|
93
|
SCI
|
|
2005
|
Monita Bhat, Balwinder Kaur, Ravi Kumar, K.K. Bamzai, P.N. Kotru , B.M. Wanklyn
|
Nucl. Instrum. Meth. Phys. B
|
Effect of ion irradiation on dielectric and mechanical characteristics of ErFeO3 single crystals
|
234
|
SCI
|
|
2005
|
V. M. Jali, Basavaraj Angadi, M. T. Lagare, P. Victor, Ravi Kumar and S. B. Krupanidhi
|
Ferroelectrics
|
High Energy Oxygen Ion Induced Modifications in Ferroelectric SrBi2Ta2O9 Thin Films
|
328
|
SCI
|
|
2005
|
Ravi Kumar, S.K. Sharma, Anjana Dogra, A. Gupta, A. Saraiya, V.V. Siva Kumar and M. Singh
|
Hyperfine Interactions
|
Swift heavy ion irradiation induced modifications in structural and magnetic properties of nano-particles of Mg-Mn ferrites
|
160
|
SCI
|
|
2005
|
S.K. Srivastava, Ravi Kumar, R.S. Patel, A.K. Majumdhar, A. Gupta and D.K. Avasthi
|
Nucl. Instrum. Meth. Phys. B
|
Swift heavy ion induced mixing of Fe/Ni multilayers
|
243
|
SCI
|
|
2005
|
A. Sarkar, S. Chattopadhyay, Ravi Kumar and Udayan De
|
Nucl. Instrum. Meth. Phys. B
|
Interesting aspects of the analysis of resistivity in Li ion irradiated Bi-2212
|
230
|
SCI
|
|
2005
|
S. Chattopadhyay, Sudipta Pal, A. Sarkar, Ravi Kumar and B.K. Chaudhuri
|
Nucl. Instrum. Meth. Phys. B
|
Radiation damage effect in CMR manganite materials
|
230
|
SCI
|
|
2006
|
Ravi Kumar, M. Wasi Khan, J.P. Srivastava, S.K. Arora, R.G.S. Sofin, R.J. Choudhary and I.V. Shvets
|
J. Appl. Phys.
|
Swift heavy ion irradiation induced modifications in structural, magnetic and electrical transport properties of epitaxial magnetite thin films
|
100
|
SCI
|
|
2006
|
Ranjana C. Gupta, D.C. Kothari, R.J. Choudhari, Ravi Kumar, P.K. Sahoo, K.P. Lieb, S. Klaumu¨nzer
|
Nucl. Instrum. Meth. Phys. B
|
Optical properties in the Cu-fused silica system irradiated with swift heavy ions
|
245
|
SCI
|
|
2006
|
Monita Bhat, Balwinder Kaur, Ravi Kumar, S.K. Khosa, K.K. Bamzai, P.N. Kotru, B.M. Wanklyn
|
Nucl. Instrum. Meth. Phys. B
|
Dielectric characteristics of HoFeO3 crystals and their modification on SHI irradiation
|
245
|
SCI
|
|
2006
|
A. Talapatra, S.K. Bandyopadhyay, Pintu Sen, Ravi Kumar, P. Mukherjee, P. Barat
|
Nucl. Instrum. Meth. Phys. B
|
Effect of 50 MeV Li3+ ion irradiation on polycrystalline MgB2 superconductor
|
244
|
SCI
|
|
2006
|
K.S. Jheeta, D.C. Jain, Fouran Singh, Ravi Kumar, K.B. Garg
|
Nucl. Instrum. Meth. Phys. B
|
Photoluminescence and UV–Vis studies of pre- and post-irradiated sapphire with 200 MeV Ag8+ ions
|
244
|
SCI
|
|
2006
|
S. Chattopadhyay, Ravi Kumar, A. Sarkar
|
Nucl. Instrum. Meth. Phys. B
|
Unusual metal-like state in HTSC and CMR oxides
|
244
|
SCI
|
|
2006
|
M.C. Chhantbar, K.B. Modi, G.J. Baldha, H.H. Joshi, R.V. Upadhyay, Ravi Kumar
|
Nucl. Instrum. Meth. Phys. B
|
Influence of 50 MeV Li3+-ion irradiation on structural and magnetic properties of Ti4+-substituted Li0.5Al0.1Fe2.4O4
|
244
|
SCI
|
|
2006
|
Ravi Kumar, F. Singh, R.J. Choudhary, S.I. Patil
|
Nucl. Instrum. Meth. Phys. B
|
Modifications of electronic transport behaviour of 250 MeV Ag ion irradiated La0.75Ca0.25MnO3 thin films
|
244
|
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
|
Nucl. Instrum. Meth. Phys. B
|
Swift heavy ions irradiation studies on some ferrite nanoparticles
|
244
|
SCI
|
|
2006
|
M.S. Sahasrabudhe, K.P. Adhi, S.S. Harchirkar, A.V. Deshmukh, S.I. Patil, Ravi Kumar
|
Nucl. Instrum. Meth. Phys. B
|
Swift ion irradiation induced changes in the structural and transport properties of La0.7Sr0.3MnO3 thin films
|
244
|
SCI
|
|
2006
|
R.J. Choudhary, Ravi Kumar, Shahid Husain, J.P. Srivastava, S.K. Malik, S.I. Patil
|
Nucl. Instrum. Meth. Phys. B
|
Effect of 200 MeV Ag ion irradiation on pink noise and magneto-transport properties of La0.7Ce0.3MnO3 thin films
|
244
|
SCI
|
|
2006
|
P.K. Bajpai, Deepak Shah, Ravi Kumar
|
Nucl. Instrum. Meth. Phys. B
|
Swift heavy ion induced modification on the dielectric behaviors of pure and doped TGS crystals
|
244
|
SCI
|
|
2006
|
S.K. Sharma , Ravi Kumar, V.V. Siva Kumar, M. Knobel, V.R. Reddy,A. Gupta, M. Singh
|
Nuclear Instruments and Methods in Physics Research B
|
Role of electronic energy loss on the magnetic properties of Mg0.95Mn0.05Fe2O4 nanoparticles
|
248
|
SCI
|
|
2006
|
Balwinder Kaur, Monita Bhat, F. Licci, Ravi Kumar, S.D. Kulkarni, P.A. Joy, K.K. Bamzai and P.N. Kotru
|
J. Magn. Magn. Mater,
|
Modifications in magnetic anisotropy of M—type strontium hexaferrite crystals by swift heavy ion irradiation
|
305
|
SCI
|
|
2006
|
V. Kumar, Ravi Kumar, S.P. Lochab and N.Singh
|
Rad. Eff. Def. Solids
|
Thermoluminescence and Dosimetric properties of bismuth doped CaS nanocrystalline phosphors
|
161
|
SCI
|
|
2006
|
Shalendra Kumar, Alimuddin, Ravi Kumar, Anjana Dogra, V. R. Reddy and A. Banarjee
|
J. Appl. Phys.
|
Mössbauer and magnetic studies of multiferroic Mg0.95Mn0.05Fe2-2xTi2xO4 system
|
99
|
SCI
|
|
2006
|
Vinay Kumar, Nafa singh, Ravi Kumar and S.P. Lochab
|
J. Phys.: Condens. Matter
|
Synthesis and characterization of bismuth doped calcium sulfide nanocrystallites
|
18
|
SCI
|
|
2006
|
N.H. Vasoya, V.K. Lakhani, P.U. Sharma, K.B. Modi, Ravi Kumar and H.H. Joshi
|
J. Phys.: Condens. Matter
|
Study on the electrical and dielectric behaviour of Zn-substituted cobalt ferriauminates
|
18
|
SCI
|
|
2006
|
Vinay Kumar, Ravi Kumar, S.P. Lochab and Nafa Singh
|
J. Phys. D: Appl. Phys.
|
Thermoluminescence studies of CaS:Bi nanocrystalline phosphors
|
39
|
SCI
|
|
2006
|
J. H. Markna, R. N. Parmar, D. G. Kuberkar, Ravi Kumar, D.S.Rana, and S.K.Malik
|
Appl. Phys. Lett.
|
Thickness dependent swift heavy ion irradiation effects on electronic transport of (La0.5Pr0.2)Ba0.3MnO3 thin films
|
88
|
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
|
Appl. Phys. Lett.
|
Ferromagnetism in 200-MeV Ag+15-ion-irradiated Co-implanted ZnO thin films
|
88
|
SCI
|
|
2006
|
W.K. Choi, B. Angadi, H.C. Park, J.H. Lee, J.H. Song and Ravi Kumar
|
Adv. Sci. & Tech.
|
Ferromagnetic Properties of Co and Fe implanted ZnO thin films at room temperature
|
52
|
SCI
|
|
2006
|
Ravi Kumar, M. Wasi Khan, J. Srivastava, S.K. Arora, R.G.S. Sofin, R. J. Choudhary and I.V. Shvets
|
J. Appl. Phys.
|
Swift heavy ion irradiation induced modifications in structural, magnetic and electrical properties of Epitaxial magnetite thin films
|
100
|
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
|
J. Appl. Phys.
|
Single Phase formation of Co-implanted ZnO thin films by swift heavy ion irradiation: Optical studies
|
100
|
SCI
|
|
2006
|
R.N. Parmar, J.H. Markana, D.G. Kuberkar, Ravi Kumar, D.S. Rana, V.C. Bagve and S.K. Malik
|
Appl. Phys. Lett.
|
Swift heavy ion irradiation induced enhancement in electrical conductivity of chemical solution deposited La0.7Ba¬MnO3 thin films
|
89
|
SCI
|
|
2007
|
Ravi Kumar, R.J. Choudhary, M. Ikram, D.K. Shukla, S. Mollah, P. Thakur, K.H. Chae, Basavaraj Angadi and W.K. Choi
|
J. Appl. Phys.
|
Structural, electrical, magnetic and electronic structure studies of PrFe1-xNixO3 (x 0.5)
|
102
|
SCI
|
|
2007
|
Shalendra Kumar, Alimuddin, Ravi Kumar, P. Thakur, K.H. Chae, Basavaraj Angadi and W.K. Choi
|
J. Phys. Condens. Matter
|
Electrical transport, magnetic and electronic structure studies of Mg0.95Mn0.05Fe2-2xTi2xO4 (0 x 0.5)
|
19
|
SCI
|
|
2007
|
Balwinder Kaur, Monita Bhat, F. Licci, Ravi Kumar, K. K. Bamzai, P. N. kotru
|
Materials Chemistry and Physics
|
Dielectric characteristics of substituted M-type strontium hexaferrite crystals and their modifications on swift heavy ion irradiation
|
103
|
SCI
|
|
2007
|
D. K. Shukla, S. Mollah and Ravi Kumar
|
, J. Appl. Phys.
|
Influence of TiO2 and ZnO on conductivity and dielectric properties of copper-bismuth glasses
|
101
|
SCI
|
|
2007
|
K.R. Mavania, D.S. Ranaa, S. Rayaprola, R.N. Parmara, D.G. Kuberkara, Ravi Kumar, M. Tonouchic, J. Johnd, R. Nagarajan
|
Solid State Communications
|
200 MeV Ag+15 ion irradiation created columnar defects and enhanced critical current density of La-2125 type superconducting thin films
|
142
|
SCI
|
|
2007
|
Shalendra Kumar, Ravi Kumar, S.K. Sharma, V.R. Reddy, A. Banerjee and Alimuddin
|
Solid State Communications
|
Temperature-dependent Mössbauer and dielectric studies of Mg0.95Mn0.05Fe1.0Ti1.0O4
|
141
|
SCI
|
|
2007
|
Vinay Kumar, Ravi Kumar, S.P. Lochab and Nafa Singh
|
J. of Nanoparticle Research
|
Swift heavy ion induced modification and photoluminescence in CaS:Bi nanophosphors
|
9
|
SCI
|
|
2007
|
M.S. Sahasrabudhe, Deepak N. Bankar, A.G. Banpurkar, S.I. Patil, K.P. Adhi, Ravi Kumar
|
Nucl. Instrum. Meth. Phys. B
|
Effect of swift heavy ion irradiation on the surface morphology of highly c-axis oriented LSMO thin films grown by pulsed laser deposition
|
263
|
SCI
|
|
2007
|
K.S. Jheetaa, D.C. Jain, Ravi Kumar, K.B. Garg
|
Solid State Communications
|
Effect of titanium ion irradiation on the surface and defect centre formation in sapphire
|
144
|
SCI
|
|
2007
|
S.K. Sharma, Ravi Kumar, Shalendra Kumar, V.V. Siva Kumar, M. Knobel, V.R. Reddy, A. Banerjee and M. Singh
|
Solid State Communications
|
Magnetic study of Mg0.95Mn0.05Fe2O4 ferrite nanoparticles
|
141
|
SCI
|
|
2008
|
Navdeep Bajwa, Alka Ingale, D. K. Avasthi, Ravi Kumar, A. Tripathi, Keya Dharamvir, and V. K. Jindal
|
J. Appl. Phys.
|
Role of electron energy loss in modification of C60 thin films by swift heavy ions
|
104
|
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
|
41
|
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
|
41
|
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
|
20
|
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
|
20
|
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
|
9
|
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
|
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
|
52
|
SCI
|
|
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)
|
320
|
SCI
|
|
2008
|
S. Mollah, Z.A. Khan, D.K. Shukla, M. Arshad, Ravi Kumar, A. Das
|
Journal of Physics and Chemistry of Solids
|
Adiabatic small polaron-hopping conduction in Ln0.85Ca0.15MnO3 (Ln=Nd, Pr and Sm) perovskites
|
69
|
SCI
|
|
2008
|
Ram Prakash, R.J. Choudhary, Shailja Tiwari, D.M. Phase, Ravi Kumar
|
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms,
|
Effect of 200 MeV Ag15+ ion irradiation on structural and electrical transport properties of Fe3O4 thin films
|
266
|
SCI
|
|
2008
|
R.J. Choudhary, Ravi Kumar, M. Wasi Khan, J.P. Srivastava, S.I. Patil, S.K. Arora, I.V. Shvets
|
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
|
Modifications of the structural, electrical and magnetic properties of LaFe0.5Ni0.5O3 thin films by 190 MeV Ag ion irradiation
|
266
|
SCI
|
|
2008
|
Manoj Kumar, Ashish Garg, Ravi Kumar, M.C. Bhatnagar
|
Physica B: Condensed Matter
|
Structural, dielectric and ferroelectric study of Ba0.9Sr0.1ZrxTi1−xO3 ceramics prepared by the sol–gel method
|
403
|
SCI
|
|
2008
|
D.K. Shukla, S. Mollah, Ravi Kumar, P. Thakur, K.H. Chae, W.K. Choi and A. Banerjee
|
J. Appl. Phys.
|
Effect of Ti substitution on multiferroic properties of BiMn2O5
|
104
|
SCI
|
|
2008
|
P. Thakur, K.H.Chae, C.N.Whang, G.S.Chang, D.K.Shukla, S. Mollah, and Ravi Kumar
|
J. Korean Physical Soc.
|
X-ray absorption and emission spectroscopy of BiMn2-xTixO5 (0<x<0.5).
|
53
|
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
|
Appl. Phys. Lett.
|
Magnetoelectric properties of BixCo2-xMnO4 (0 ≤x ≤ 0.3)
|
92
|
SCI
|
|
2008
|
R.J. Choudhary, Shailja Tiwari, D.M. Phase, Ravi Kumar, P. Thakur, K.H. Chae and W.K. Choi
|
Appl. Phys. Lett.
|
Magneto transport, noise and X-ray circular dichroism studies of pulsed laser deposited Fe3O4 thin films on Si substrates
|
92
|
SCI
|
|
2008
|
Ram Prakash, D.M. Phase, R.J. Choudhary and Ravi Kumar
|
J. Appl. Phys.
|
Structural, electrical and magnetic studies of Mo1-xFexO2 (x=0-0.05) thin films grown by pulsed laser ablation
|
103
|
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
|
J. Phys. D: Appl. Phys.
|
Structural and elastic properties Ca substituted LaMnO3 at 300K
|
41
|
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.
|
165. Direct observation of oxygen induced room temperature ferromagnetism in MoO2 thin films by x-ray magnetic circular dichroism characterizations
|
94
|
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
|
163
|
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
|
203
|
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
|
479
|
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
|
486
|
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
|
106
|
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
|
105
|
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.
|
21
|
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.
|
42
|
SCI
|
|
2009
|
M Wasi Khan , Ravi Kumar , M A Majeed Khan , Basavaraj Angadi , Y S Jung , W K Choi and J P Srivastava.
|
Semicond. Sci. Technol.
|
Solubility of Co clusters in Co-implanted ZnO thin films by 200 MeV Ag15+ ions irradiation.
|
24
|
SCI
|
|
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).
|
21
|
SCI
|
|
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
|
17
|
SCI
|
|
2009
|
P.K.Mehta, B Bishnoi, R Kumar, R. J. Choudhary, and D. M. Phase
|
Sol. St. Phen.
|
Dielectric and Conductivity Studies of Sr[(Mg0.32Co0.02)Nb0.66]O3 Thin Film
|
155
|
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
|
9
|
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
|
42
|
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”.
|
42
|
SCI
|
|
2009
|
Abhinav Pratap Singh , Ravi Kumar , P Thakur , N B Brookes , K H Chae and W K Choi.
|
J. Phys.: Condens. Matter
|
NEXAFS and XMCD studies of single-phase Co doped ZnO thin films”.
|
21
|
SCI
|
|
2009
|
S.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.
|
203
|
SCI
|
|
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)”.
|
21
|
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
|
517
|
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
|
63
|
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
|
32
|
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
|
117
|
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
|
255
|
SCI
|
|
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
|
105
|
SCI
|
|
2009
|
Shalendra Kumar, Ravi Kumar, B. H. Koo, H. Choi, Dong Uk Kim, Chan Gyu Lee
|
Journal- Ceramic Society Japan
|
Structural and electrical properties of Mg2TiO4
|
117
|
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
|
107
|
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
|
107
|
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
|
107
|
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.
|
139. Modifications in magnetic properties of BiMn2O5 multiferroic using swift heavy ion irradiation
|
107
|
SCI
|
|
2010
|
R C Srivastava , J P Singh , H M Agrawal , Ravi Kumar , A Tripathi , R P Tripathi , V R Reddy and A Gupta
|
J. Phys.: Conf. Ser.
|
Fe Mössbauer investigation of nanostructured zinc ferrite irradiated by 100 MeV oxygen beam.
|
217
|
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
|
322
|
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)
|
322
|
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
|
268
|
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
|
268
|
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
|
490
|
SCI
|
|
2010
|
G. Anjum, S. Mollah, D.K. Shukla and Ravi Kumar
|
Materials Letters
|
Magneto-electric coupling in multiferroic La0.8Bi0.2FeO3 ceramic
|
64
|
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
|
108
|
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
|
97
|
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
|
82
|
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
|
4
|
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
|
22
|
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
|
165
|
SCI
|
|
2010
|
E. Rajeevan, Ravi Kumar, D. K. Shukla, R. J. Choudhary and P. P. Pradyumnan
|
Integrated ferroelectrics
|
154. Effect of Bi on the Magnetodielectric Properties of Co2MnO4 Thin Films
|
120
|
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
|
122
|
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
|
33
|
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
|
98
|
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
|
57
|
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)
|
172
|
SCI
|
|
2010
|
S. Singh, S. P. Lochab, R. Kumar , N. Singh
|
Chalcogenide Letters
|
Photoluminescence and Thermoluminescnce of BaS:Ce Nanophosphors
|
7
|
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
|
45
|
SCI
|
|
2010
|
P. Thakur, J. C. Cezar, N. B. Brookes, R. J. Choudhary, D. M. Phase, K. H. Chae, Ravi Kumar
|
Hyperfine Interact
|
X-ray absorption and magnetic circular dichroism characterization of Mo1−xFexO2 (x = 0–0.05) thin films grown by pulsed laser ablation
|
197
|
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
|
90
|
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
|
405
|
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
|
Chem. Phys. Lett.
|
Orbital anisotropy in SnO2 thin films and its modification by swift heavy ion irradiation
|
511
|
SCI
|
|
2011
|
Feroz Ahmed Mir, M. Ikram and Ravi Kumar
|
Vibrational Spectroscopy
|
Local symmetry breaking in PrFeO3 thin films and other similar system after Ni doping: A brief Raman studies
|
55
|
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
|
Journal of Applied Physics
|
Modifications in structural and electronic properties of TiO2 thin films using swifit heavy ion irradiations
|
110
|
SCI
|
|
2011
|
Abhida Bhasir, Mohmad Ikram and Ravi Kumar
|
Modern Phys. Lett.
|
Studies of transport properties of ReFe1-xNixO3 (x 0.5) where Re = Nd, Sm and Gd
|
25
|
SCI
|
|
2011
|
G. Anzum, Ravi Kumar, S. Mollah, P.Thakur, S. Gautam and K.H. Chae
|
J. Phys. D Appl. Phys.
|
NEXAFS studies La0.8Bi0.2Fe1-xMnxO3 (0.0< x < 0.4) multiferroic system using x-ray absorption spectroscopy
|
44
|
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
|
4
|
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
|
501
|
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
|
98
|
SCI
|
|
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
|
J. Mag. Mag. Mat.
|
Magnetoelectric behavior of ferrimagnetic BixCo2-xMnO4 (x = 0, 0.1 and 0.3) thin films
|
323
|
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
|
248
|
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
|
115. 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
|
166
|
SCI
|
|
2011
|
Feroz Ahmed Mir, M. Ikram and Ravi Kumar
|
Journal of Raman Spectroscopy
|
Temperature-dependent Raman studies of PrFeO3 Thin films
|
42
|
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
|
269
|
SCI
|
|
2011
|
Feroz Ahmed Mir, M. Ikram and Ravi Kumar
|
Phase Transitions
|
Symmetry beaking in Ni doped PrFeO3 thin films established by Raman study
|
88
|
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
|
13
|
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)
|
13
|
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
|
166
|
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
|
135
|
SCI
|
|
2011
|
P.U. Sharmaa, S.N. Dolia, Ravi Kumar and K.B. Modi
|
Radiation Effects & Defects in Solids
|
123. Influence of 50 MeV Li3+-ion irradation on M–H loop characteristics of Y3+-substituted YIG
|
166
|
SCI
|
|
2011
|
Aditya Sharma, Mayora Varshney, Shalendra Kumar, K.D.Verma and Ravi Kumar
|
Nanomater. Nanotechnology
|
Magnetic Properties of Fe and Ni Doped SnO2 Nanoparticles
|
1
|
SCI
|
|
2011
|
Jitendra Pal Singh, R. C. Srivastava, H. M. Agrawala and Ravi Kumar
|
J. Raman Spectrosc.
|
Micro-Raman investigation of nanosized zinc ferrite: effect of crystallite size and fluence of irradiation
|
42
|
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
|
8
|
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
|
166
|
SCI
|
|
2011
|
Surender Singh, S.P. Lochab, Ravi Kumar, Nafa Singh
|
Physica B
|
Thermoluminescence studies of bismuth doped BaxCa1-xS nanostructures
|
406
|
SCI
|
|
2011
|
Surender Singh, Ravi Kumar, Nafa Singh
|
Journal of Alloys and Compounds
|
Effect of swift heavy ion irradiation on bismuth doped BaS nanostructures
|
509
|
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
|
166
|
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
|
23
|
SCI
|
|
2011
|
Bhagwati Bishnoi, P.K. Mehta, C.J. Panchal, M.S. Desai, Ravi Kumar, V. Ganesan
|
Materials Chemistry and Physics
|
132. Ag15+ and O7+ ion irradiation induced improvement in dielectric properties of the Ba(Co1/3Nb2/3)O3 thin films
|
126
|
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
|
269
|
SCI
|
|
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
|
11
|
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
|
34
|
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
|
34
|
SCI
|
|
2012
|
Mayora Varshney, Aditya Sharma, K.D. Verma and Ravi Kumar
|
Nanoscience and Nanotechnology Lett.
|
Swift heavy ion irradiation effect on structural and optical properties of CeO2 thin films
|
4
|
SCI
|
|
2012
|
Yogesh Kumar, R.J. Choudhary and Ravi Kumar
|
J. Appl. Phys.
|
Strain controlled systematic variation of metal insulator transition in epitaxial NdNiO3 thin films
|
112
|
SCI
|
|
2012
|
Yogesh Kumar, R.J. Choudhary, S.K. Sharma, M. Knobel and Ravi Kumar
|
Appl. Phys. Lett.
|
Strain dependent stabilization of metallic paramagnetic state in NdNiO3 thin films
|
101
|
SCI
|
|
2012
|
Abida Bashir, M. Ikram, Ravi Kumar and P.N. Lisoba-Filho
|
J. Alloys and Compounds
|
Structural, electronic structure and magnetic studies of GdFe1-xNixO3 (x 0.5)
|
512
|
SCI
|
|
2012
|
Yogesh Kumar, A.P. Singh, S.K. Sharma, R.J. Choudhary, P. Thakur, M. Knobel, N.B. Brooke and Ravi Kumar
|
Appl. Phys. Lett.
|
Irradiation induced modifications in transport properties of LaNiO3 thin films: An x-ray absorption study
|
101
|
SCI
|
|
2012
|
.K. Sharma, R. Dogra, S.K. Mishra, S.P. Lochab and Ravi Kumar
|
Science of Advance Materials
|
Thermo-luminescence studies of tissue equivalent lithium fluoride nanophosphors
|
4
|
SCI
|
|
2012
|
Mayora Varshney, Aditya Sharma, K.D. Verma and Ravi Kumar
|
Physica Scripta
|
Structural and magnetic properties of Ce1-xCoxO2 (0 x 0.1) nanocrystalline powders
|
86
|
SCI
|
|
2012
|
Feroze Ahmed Mir, M. Ikram, and Ravi Kumar
|
Applied Radiation and Isotopes
|
Amorphization and disorder of PrFeO3 thin films after heavy ion irradiation
|
70
|
SCI
|
|
2012
|
Dinesh Shukla, Nhalil Rajeevan and Ravi Kumar
|
Solid State Phenomena
|
Combining magnetism and ferroelectricity towards multiferrocity” (A review).
|
189
|
SCI
|
|
2012
|
Ankush vij, Sanjeev Gautam, Ravi Kumar, Amit K. Chawla, Ramesh Chandra, Nafa Singh and K.H. Chae
|
J. Alloys and Compounds
|
Blue shift in band gap and photoluminescence of pulsed laser deposited SrS:Ce/quartz thin film nanophosphors
|
527
|
SCI
|
|
2012
|
Mohd. Hashim, Alimuddin, Salendra Kumar, Sikader Ali, B.H. Koo, H Chung and Ravi Kumar
|
J. Alloys & Compounds
|
Structural, Magnetic and Electrical properties Al3+ substituted Ni-Zn ferrite naoparticles
|
511
|
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
|
J. Alloys & Compounds
|
Structural, Electrical and Magnetic properties of Co-Cu ferrite nanoparticles
|
518
|
SCI
|
|
2012
|
Mohd. Hashim, Alimuddin, Shalendra Kumar, B.H. Koo, Sagar E. Shrisath, R.K. Kotnala and Ravi Kumar
|
Powder Technology
|
Structural properties and magnetic interactions in Ni0.5Mg0.5Fe2-xCrxO4 (0 ≤ x ≤1)
|
229
|
SCI
|
|
2012
|
Mohd. Hashim, Alimuddin, Shalendra Kumar, Sagar E. Shrisath, E.M. Mohammed and Ravi Kumar
|
Physica B
|
Studies on the activation energy from the ac conductivity measurements of rubber ferrite composites containing Mg-Zn ferrite
|
407
|
SCI
|
|
2012
|
Feroz Ahmed Mir, M. Ikram and Ravi Kumar
|
Philosophical Magazine
|
Doping effects arising from Ni for Fe in PrFeO3 ceramic thin films.
|
92
|
SCI
|
|
2012
|
H. Thakur, K.K. Sharma, Ravi Kumar, P. Thakur, A.P. Singh, Yogesh Kumar, S. Gautam and K.H. Chae
|
Journal of Korean Physical Society
|
On the optical properties of Ag+15 ion beam irradiated TiO2 and SnO2 thin films
|
61
|
SCI
|
|
2012
|
.V. Patel, Bhagwati Bishnoi, P.K. Mehta, Ravi Kumar, R.J. Choudhary, D.M. Phase, V. Ganesan, C.J. Panchal
|
Journal of nano- and electronic physics
|
Irradiation Effects on Microstructure and Dielectric Properties of Ba[(Mg0.32Co0.02)Nb0.66]O3 [BMCN] Thin Films
|
4
|
SCI
|
|
2012
|
Deo Prakash, Mayora, Varshney, keshav deo Verma, Ravi Kumar
|
Science of Advanced Materials
|
Growth of (111) Oriented CeO2 Thin Films and Their Structural and Optical Properties
|
4
|
SCI
|
|
2012
|
Jitendra Pal Singh, Gagan Dixit, R.C. Srivastava, Hemaunt Kumar, H.M. Agrawal, Ravi Kumar
|
Journal of Magnetism and Magnetic Materials
|
Study of size dependent features of swift heavy ion irradiation in nanosized zinc ferrite
|
324
|
SCI
|
|
2012
|
Balwinder Kaur, Monita Bhat, F Licci, Ravi Kumar, K K Bamzai and P N Kotru
|
Bull. Mater. Sci.
|
High resolution X-ray diffraction studies on unirradiated and irradiated strontium hexaferrite crystals
|
35
|
SCI
|
|
2012
|
Basavaraj Angadi, Ravi Kumar, Dong-Hee Park, Ji-Won Choi, Won-Kook Choi
|
Nuclear Instruments and Methods in Physics Research B
|
Photoluminescence studies on MBE grown Co-doped ZnO thin films fabricated through ion implantation and swift heavy ion irradiation
|
272
|
SCI
|
|
2012
|
P.K. Bajpai, Deepak Shah, Ravi Kumar
|
Nuclear Instruments and Methods in Physics Research B
|
Effect of swift heavy ion beam irradiation on the dielectric and ferroelectric properties of pure and cobalt doped TGS crystals
|
270
|
SCI
|
|
2012
|
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)
|
172
|
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
|
Journal of Alloys and Compounds
|
Structural, electrical and magnetic properties of Co–Cu ferrite nanoparticles
|
518
|
SCI
|
|
2013
|
Vinod Kumar, Yogesh Kumar, Rajesh Kumar, D.K. Shukla, I.V. Shvets and Ravi Kumar
|
J. Appl. Phys.
|
Structural, magnetic and x-ray absorption studies of NdCo1-xNixO3 (0 x 0.5)
|
113
|
SCI
|
|
2013
|
Ankush Vij, Sanjeev Gautam, Vinay Kumar, R. Brajpuriya, Ravi Kumar, Nafa Singh, and K.H. Chae
|
Appl. Surf. Science
|
X-ray absorption spectroscopy and photoluminescence study of rare earth ions doped strontium sulphide phosphors
|
264
|
SCI
|
|
2013
|
Vinod Kumar, Rajesh Kumar, D. K. Shukla, Ravi Kumar
|
Journal of Alloys and Compounds
|
Disorder Controlled Electrical Transport Properties of NdCo1-xNixO3 (0 ≤ x ≤ 0.5)
|
574
|
SCI
|
|
2013
|
Vinod Kumar, Rajesh Kumar, D.K. Shukla, S. Gautam, Keun Hwa Chae and Ravi Kumar
|
Journal of Applied Physics
|
Electronic Structure and Electrical Transport Studies of LaCo1-xNixO3 (0 ≤ x ≤ 0.5)
|
114
|
SCI
|
|
2013
|
Mohd. Hashim, Alimuddin, Sagar E. Shirasth, S.S. meena, Shalendra kumar, Pramod Bhatt, Ashis S. Rpy, Parveen C. Ramamurthy and Ravi Kumar
|
J. Mag. & Mag. Materials
|
Investigation of structural, dielectric, magnetic and antibacterial activity of Cu-Cd-Ni-FeO4 nanoparicles
|
341
|
SCI
|
|
2013
|
Mohd. Hashim, Alimuddin, Sagar E. Shirasth, S.S. meena, Shalendra kumar, Pramod Bhatt, R.B. Jotania and Ravi Kumar
|
Materials Chem. & Phys.
|
Study of structural and magnetic properties of (Co-Cu)Fe2O4/PANI composites
|
141
|
SCI
|
|
2012
|
Mohd. Hashim, Alimuddin, Sagar E. Shirasth, R.K. KotnalaS.S. meena, Shalendra Kumar, Ashis S. Roy, R.B. Jotania Pramod Bhatt and Ravi Kumar
|
J. Alloys and Compounds
|
Influence of Ni2+ substitution on structural, dielectric and magnetic properties of Cu-Cd ferrite anoparticles
|
513
|
SCI
|
|
2013
|
Mohd. Hashim, Alimuddin, Sagar E. Shirasth, E.M. Mohammed and Ravi Kumar.
|
J. Nanoengineering and Nanomanufacturing
|
Structural, dielectric, AC conductivity and magnetic properties of Cr3+ substituted Ni-Mg ferrite nanoparticles
|
3
|
SCI
|
|
2013
|
Aditya Sharma, Mayora Varshney, K.D.Verma, Yogesh Kumar, Ravi Kumar
|
Nuclear Instruments and Methods in Physics Research B
|
Structural and surface microstructure evolutions in SnO thin films under ion irradiation
|
308
|
SCI
|
|
2013
|
K. K. Pandey Himanshu Kumar Poswal, Ravi Kumar, Surinder M. Sharma
|
J. Phys.: Condens. Matter
|
High pressure iso-structural phase transition in BiMn2O5
|
25
|
SCI
|
|
2013
|
Mohd. Hashim, Alimuddin, Shalendra Kumar, Sagar E. Shirsath, R.K. Kotnala, Jyoti Shah, Ravi Kumar
|
Materials Chemistry and Physics
|
Synthesis and characterizations of Ni2+ substituted cobalt ferrite nanoparticles
|
139
|
SCI
|
|
2013
|
Mohd. Hashima, Alimuddin, Shalendra Kumar, Sagar E. Shirsath, R.K. Kotnala, Jyoti Shah, Ravi Kumar
|
Ceramics International
|
Influence of Cr3+ ion on the structural, ac conductivity and magnetic properties of nanocrystalline Ni–Mg ferrite
|
39
|
SCI
|
|
2013
|
Mohd Hashim, Alimuddin, Sagar E. Shirsath, Shalendra Kumar, Ravi Kumar, Aashis S. Roy, Jyoti Shah, R.K. Kotnala
|
Journal of Alloys and Compounds
|
Preparation and characterization chemistry of nano-crystalline Ni–Cu–Zn ferrite
|
549
|
SCI
|
|
2013
|
Jitendra Pal Singh, Gagan Dixit, R.C. Srivastava, Puneet Negi, H.M. Agrawal, Ravi Kumar
|
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
|
HRTEM and FTIR investigation of nanosized zinc ferrite irradiated with 100 MeV oxygen ions
|
107
|
SCI
|
|
2013
|
N.E. Rajeevan, Ravi Kumar, D.K. Shukla, P. Thakur and P.P. Pradyumnan
|
Key Engineering Materials
|
Structural and Magnetic Characterizations of 200 MeV Ag15+ Irradiated BixCo2-xMnO4 Thin Films
|
547
|
SCI
|
|
2014
|
Vinod Kumar, Rajesh Kumar, D.K. Shukla, S.K. Arora, I.V. Shvets, Kiran Singh and Ravi Kumar
|
Materials Chemistry and Phys.
|
Spin states and glassy magnetism in LaCo1-xNixO3 (x= 0-0.5)
|
147
|
SCI
|
|
2014
|
Joginder Paul, Sumit Bhardwaj, K.K. Sharma, R.K. Kotnala and Ravi Kumar
|
J. Materials Science
|
Room temperature multiferroic properties and magnetoelectric coupling in Bi4-xSmxTi3-xCoxO12-δ ceramics
|
49
|
SCI
|
|
2014
|
”. Sumit Bhardwaj, Joginder Paul, Subhash Chand, K. K. Raina, Ravi Kumar
|
J Mater Sci: Mater Electron
|
Oxygen vacancy induced dielectric relaxation studies in Bi4-xLaxTi3O12 (x = 0.0, 0.3, 0.7, 1.0) ceramics
|
25
|
SCI
|
|
2014
|
Rabia Pandit, K.K. Sharma, Pawanpreet Kaur, Ravi Kumar
|
Materials Chemistry and Physics
|
Cation distribution controlled dielectric, electrical and magnetic behavior of In3+ substituted cobalt ferrites synthesized via solid-state reaction technique
|
148
|
SCI
|
|
2014
|
Joginder Paul, Sumit Bhardwaj, K.K. Sharma, R.K. Kotnala and Ravi Kumar
|
J. Appl. Phys.
|
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
|
115
|
SCI
|
|
2014
|
Sumit Bhardwaj, Joginder Paul, K.K. Raina, N.S. Thakur and Ravi Kumar
|
Physica B
|
Dielectric modulus and magneto-capacitance behavior of Bi3.7Sm0.3Ti2.7Ni0.3O12-δ multiferroic
|
448
|
SCI
|
|
2014
|
Vinod Kumar, Rajesh Kumar, Kiran Singh, S.K. Arora, I.V. Shvets and Ravi Kumar
|
J. Appl. Phys.
|
Evidence of spin glass state in NdCo1-xNixO3 (x= 0.3-0.5)
|
116
|
SCI
|
|
2014
|
Minaxi Sharma, K.K. Sharma, R.J. Choudhary and Ravi Kumar
|
J. Appl. Phys.
|
Superconductivity suppression in YBa2Cu3O7-δ/La0.7Sr0.3MnO3 thin films
|
116
|
SCI
|
|
2014
|
P. L. Meena, K. Sreenivas, Ravi Kumar
|
Indian Journal of Pure and Applied Physics
|
Dielectric properties of spinel Co3-xMnxO4(x = 0.1, 0.4, 0.7, and 1.0) ceramic compositions
|
52
|
SCI
|
|
2014
|
Jaiprakash, R.S Chauhan, Ravi Kumar, Yogesh Kumar, N E Rajeevan, N Vijayan
|
Journal of Alloys and Compounds
|
Study of Structural, dielectric and magnetic properties of Bi1-xBaxFeO3 (x = 0.1-0.4)
|
598
|
SCI
|
|
2014
|
Rabia pandit, K K Sharma, Pawanpreet Kaur, V R Reddy, Ravi kumar, Jyoti Shah
|
Journal of Alloys and Compounds
|
Spin canting observation and cation distribution in CoFe2-xInxO4 (x = 0.0-1.0) ferrites through low temperature-high field Mossbauer spectral study
|
596
|
SCI
|
|
2014
|
Rabia pandit, K K Sharma, Pawanpreet Kaur, R K Kotnala, Jyoti Shah, Ravi kumar
|
Journal of Physics and Chemistry of Solids
|
Effect of Al+3 substitution on structural, cation distribution, electrical and magnetic properties of CoFe2O4
|
75
|
SCI
|
|
2014
|
Minaxi Sharma, Pankaj K Pandey, K K Sharma, Ravi Kumar, R J Chaudhary, D Venketshwarlu, and V Ganesan
|
J. Appl. Phys.
|
Effect of superconducting spacer layer thickness on magneto-transport and magnetic properties of LaSr0.7Mn0.3O3/YBa2Cu3O7/La0.7Ba0.3MnO3 heterostructures
|
115
|
SCI
|
|
2014
|
Minaxi Sharma, K K Sharma, Ravi Kumar, R J Chaudhary
|
Physica C
|
Electrical and magneto-transport properties of ferromagnet/superconductor/ferromagnet based heterostructure
|
497
|
SCI
|
|
2014
|
Mohd. Hashim Sagar E. Shirsath, S.S. Meena, Pramod Bhatt, R.K. Kotnala, Shalendra Kumar, Ravi Kumar, Dachepalli Ravinder and Alimuddin
|
Ceramics International
|
Structural development and magnetic phenomenon in Zn–Cr–Fe multi oxide nano-crystals
|
40
|
SCI
|
|
2014
|
Pawanpreet Kaur, K K Sharma, Rabia pandit, R J Chaudhary, Ravi Kumar
|
Applied Physics Letters
|
Structural, electrical and magnetic properties of SrRuO3 thin films
|
104
|
SCI
|
|
2014
|
Feroz Ahmed Mir, S.K Sharma and Ravi Kumar
|
Chinese Phys. B
|
Magnetization and magneto-transport properties of Ni doped PrFeO3 thin films
|
23
|
SCI
|
|
2014
|
Pawanpreet Kaur, K. K. Sharma, Rabia Pandit, Ravi Kumar, R. K. Kotnala, and Jyoti Shah
|
Journal of Applied Physics
|
Temperature dependent dielectric and magnetic properties of GdFe1-xNixO3 (0.0 ≤x ≤0.3) orthoferrites
|
115
|
SCI
|
|
2014
|
Minaxi Sharma, Pankaj K. Pandey, K. K. Sharma, Ravi Kumar, R. J. Choudhary, D. Venkateshwarlu, and V. Ganesan
|
Journal of Applied Physics
|
Effect of superconducting spacer layer thickness on magneto-transport and magnetic properties of La0.7Sr0.3MnO3/YBa2Cu3O7/La0.7Sr0.3MnO3 heterostructures
|
115
|
SCI
|
|
2014
|
Mohd. Hashim, S.S. Meena R.K. Kotnala Sagar E. Shirsath, Pramod Bhatt, Shalendra Kumar, Erdoğan Şentürk, Ravi Kumar, Nidhi Gupta, Alimuddin
|
Journal of Magnetism and Magnetic Materials Volume
|
Exploring the structural, Mössbauer and dielectric properties of Co2+ incorporated Mg0.5Zn0.5xCoxFe2O4 nanocrystalline ferrite
|
360
|
SCI
|
|
2014
|
Jitendra Pal Singh, Gagan Dixit, Hemaunt Kumar, R.C. Srivastava, H.M. Agrawal, Ravi Kumar
|
Journal of Magnetism and Magnetic Materials
|
Formation of latent tracks and their effects on the magnetic properties of nanosized zinc ferrite
|
352
|
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
|
Journal of Alloys and Compounds
|
Study of structural, electrical and magnetic properties of Cr doped Ni–Mg ferrite nanoparticles
|
602
|
SCI
|
|
2015
|
N.E Rajeevan, Vinod Kumar, Rajesh Kumar, Ravi Kumar, S.D. Kaushik
|
Journal of Magnetism and Magnetic Materials
|
Neutron diffraction studies of magnetic ordering in Ni-doped LaCoO3
|
393
|
SCI
|
|
2015
|
P. L Meena, Sunita Pal, K. Sreenivas, Ravi Kumar
|
Advanced Science Letters
|
Structural and Magnetic Properties of MnCo2O4 Spinel Multiferroic
|
21
|
SCI
|
|
2015
|
Sumit Bhardwaj, Joginder Paul, Subhash Chand, K.K. Raina, and Ravi Kumar.
|
Journal of Electronic Materials
|
Electroactive Phase Induced Bi4Ti3O12–Poly(Vinylidene Difluoride) Composites with Improved Dielectric Properties
|
44
|
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
|
Journal of Magnetism and Magnetic Materials
|
Superparamagnetic behavior of indium substituted NiCuZn nano ferrites
|
381
|
SCI
|
|
2015
|
Joginder Paul, Sumit Bhardwaj, K.K. Sharma, R.K. Kotnala and Ravi Kumar
|
J. Alloys and Compounds
|
Room temperature multiferroic behaviour and magnetoelectric coupling in Sm/Fe modified Bi4Ti3O12 ceramics synthesized by solid state reaction method
|
634
|
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
|
Journal of Alloys and Compounds
|
Manganese ferrite prepared using reverse micelle process: Structural and magnetic properties characterization
|
642
|
SCI
|
|
2015
|
S. Kumar, A.K. Gathania, A.K. Vij, A.K. Sharma, R. Dogra, S.P. Lochab and Ravi Kumar
|
Adv. Mater. Lett.
|
Absorption, photoluminescence and thermo-luminescence studies of gamma irradiated pure and Eu doped LiF Phosphors.
|
6
|
SCI
|
|
2016
|
G. Anjum. F.H. Bhat and Ravi Kumar
|
Materials Letter
|
Thin film growth of multiferroic La0.8Bi0.2Fe0.7Mn0.3O3 on LaNiO3 using RF sputtering and its characterization
|
185
|
SCI
|
|
2016
|
S. Kumar, A.K. Gathania, A.K. Vij and Ravi Kumar
|
Ceramics International
|
Gamma induced thermo-luminescence and color centers study of Dy doped LiF micro cubes
|
42
|
SCI
|
|
2016
|
S. Kumar, A.K. Gathania, A.K. Vij, Ravi Kumar
|
J. Electronics Materials
|
Thermo-luminescence study of gamma irradiated Cr doped LiF phosphors
|
45
|
SCI
|
|
2016
|
Yogesh Kumar, R.J. Choudhary and Ravi Kumar
|
Journal of Appl. Phys.
|
Disappearance of metal-insulator transition in NdNiO3/LaAlO3 thin films
|
120
|
SCI
|
|
2016
|
Yogesh Kumar, Abhinav Pratap Singh, S.K. Sharma, R.J. Choudhary, P. Thakur, M. Knobel, N.B. Brookes and Ravi Kumar
|
Thin Solid Films
|
Ni 3d – O 2p hybridization dependent magnetic properties of LaNiO3 thin films
|
619
|
SCI
|
|
2016
|
P.L. Meena, K. Sreenivas, M.R. Singh, Ashok Kumar, S.P. Singh and Ravi Kumar
|
J. Magnetism and Magnetic Materials
|
Ferri-magnetic order in Mn induced spinel Co3-xMnxO4 (0.1 ≤ x ≤ 1.0) ceramic compositions
|
403
|
SCI
|
|
2016
|
Satinder Kumar, A.K. Gathania, Anjush Vij and Ravi Kumar
|
Materials Focus
|
Radiation induced color centers in Cr doped LiF Phosphor
|
5
|
SCI
|
|
2016
|
Pawanpreet Kaur, K.K.Sharma , Rabia Pandit, R. J. Choudhary, Ravi Kumar
|
Journal of Magnetism and Magnetic Materials
|
Effect of swift heavy ion irradiation on structural and magnetic properties of GdFe1-xNixO3 (x ≤ 0.2) thin films
|
398
|
SCI
|
|
2017
|
Jaiprakash, R.S. Chauhan, Ravi Kumar, Pawan Kumar and Anil Kumar
|
Solid State Sciences
|
Structural, dielectric and magnetic studies of multiferroic Bi1-xSrxFeO3 (x= 0.1, 0.2, 0.3, 0.4 and 0.5)
|
72
|
SCI
|
|
2017
|
S.D. Kaushik, N.E. Rajeevan, Ravi Kumar
|
Physica B: Physics of Condensed Matter
|
Exploring the effect of Bi doping in cubic spinel BixCo2-xMnO4 by employing neutron diffraction
|
551
|
SCI
|
|
2017
|
P.K. Bajpai, C.R.K. Mohan, Ratnamala Ganjir, Ravi Kumar, Ashok Kumar, R.S. Katiyar
|
J Raman Spectroscopy
|
Swift heavy ion induced material modifications in Ba1-xSrxTiO3 ceramics as probed by temperature dependent Raman spectroscopy
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49
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SCI
|
|
2018
|
Kapil Dev Singh, Rabia Pandit, and Ravi Kumar
|
Solid State Sciences
|
Effect of rare earth ions on structural and optical properties of specific pervoskite orthochromates: RCrO3 (R= la, Nd, Eu, Gd, Dy and Y)
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85
|
SCI
|
|
2018
|
Jarnail Singh, Vikram Verma and Ravi Kumar
|
Vacuum
|
Preparation and structural, optical studies of Al substituted chromium oxide (Cr2O3) nanoparticles
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159
|
SCI
|
|
2018
|
Rabia Pandit, Pawan Preet Kaur, K.K. Sharm, Mohamd Hashim and Ravi Kumar
|
Spin
|
Investigation of room temperature Mossbauer spectroscopy and initial magnetic susceptibility properties in Al3+ substituted cobalt ferrites
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8
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SCI
|
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2018
|
P L Meena, Ravi Kumar and K Sreenivas
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Indian Journal of Pure & Applied Physics
|
Structural, elastic and magnetic properties of spinel Co3O4
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56
|
SCI
|
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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
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Journal of Magnetism and Magnetic Materials
|
Influence of Rare Earth ion doping (Ce and Dy) on electrical and magnetic properties of Cobalt ferrites
|
449
|
SCI
|
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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
|
Journal of Physics and Chemistry of Solids
|
High temperature dielectric studies of indium-substituted NiCuZn nanoferrites
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112
|
SCI
|
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2018
|
Ankush Vij, Shalendra Kumar, S.O. Won, K.H. Chae, Abhinav Dubey and Ravi Kumar
|
Materials Letters
|
Enhanced photoluminescence response of Ca2+/Ba2+ substituted solid solutions of SrS:Ce phosphors
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227
|
SCI
|
|
2018
|
Arun Kumara, Arvind Kumar, Rakesh Dogra, Mohit Manhas, Sandeep Sharma and Ravi Kumar
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Ceramics International
|
Investigation of thermoluminescence and kinetic parameters of gamma ray exposed LiF: Sm3+, Eu3+ nanophosphors for dosimetric applications
|
44
|
SCI
|
|
2019
|
Ashok Kumar, Vinod Kumar, Dinesh Shukla, Rajesh Kumar, R.J. Choudhary and Ravi Kumar
|
J. Appl. Phys.
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Structural, electronic, transport and magnetic studies of LaCo1-xNixO3 (x= 0, 0.3) thin films
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126
|
SCI
|
|
2019
|
Jarnail Singh, Vikram Verma, Rajesh Kumar, Sandeep Sharma and Ravi Kumar
|
Mater. Res. Express
|
Effect of structural and thermal disorder on optical band gap of Cr2O3 nanoparticles
|
6
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SCI
|
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2019
|
Jarnail Singh, Vikram Verma, Rajesh Kumar and Ravi Kumar
|
Results in Physics
|
Influence of Mg2+-substitution on the optical band gap energy of Cr2-xMgxO3 nanoparticles
|
13
|
SCI
|
|
2020
|
Jarnail Singh, Rajesh Kumar, Vikram Verma and Ravi Kumar
|
Ceramic International
|
Role of Ni2+ substituent on the structural, optical and magnetic properties of chromium oxide (Cr2-xNixO3) nanoparticles
|
46
|
SCI
|
|
2020
|
Jarnail Singh, Rajesh Kumar, Vikram Verma and Ravi Kumar
|
Journal Alloys and Compounds
|
Comparative studies on optoelectronic properties of epitaxial MgxCr2-xO3 and AlxCr2-xO3 (x = 0, 0.1, 0.2 and 0.3) thin films deposited on sapphire substrates
|
857
|
SCI
|
|
2020
|
Mega Jain, Manju, Ravi Kumar, O.W. Sung, K.H. Chae, Ankush Vij and Anup Thakur
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Scientic Report: Nature-research
|
Defect states and kinetic parameter analysis of ZnAl2O4 nanocrystals by x-ray photoemission spectroscopy and thermoluminescence
|
385
|
SCI
|
|
2020
|
Kapil Dev Singh, Fouran Singh, R.J. Choufhary and Ravi Kumar
|
Appl. Phys. A
|
Consequesces of R3+ cationic radii on the dielectric and magnetic behavior of RCrO3 pervoskites
|
126
|
SCI
|
|
2020
|
N.P. Vikas, Sadiq Mahmood, S. Pranoy, Schin Kumar and Ravi Kumar
|
J. Nanoscience and Nanotechnology
|
Effect of temperature on structural and optical properties of Methyl-Ammonium Bismuth Iodide thin films
|
20
|
SCI
|
|
2020
|
Yogesh Kumar, Ravi Kumar, R.J. Choudhary, Anup Kumar and A.P. Singh
|
Ceramic International
|
Reduction in tilting of oxygen octahedron and its effect on band gap with La doping in SrSnO3
|
46
|
SCI
|
|
2020
|
Arun Kumar, Arvind Kumar, Rakesh Dogra, Mohit Minhas, Sandeep Sharma and Ravi Kumar
|
Emerging materials Research
|
Effect of gamma irradiation on thermoluminiscence studies of LiF: Sm3+, Dy3+ nanophosphors
|
9
|
SCI
|
|
2020
|
Ashok Kumar, Rajesh Kumar, Vinod Kumar, Dinesh Shukla, Ram Janay Choudhary and Ravi Kumar
|
Appl. Phys. A
|
200 MeV Ag+15 ion irradiation induced modifcation in structural, magnetic and electrical properties of LaCoO3 thin film
|
126
|
SCI
|
|
2021
|
F. H. Bhat, G. Anjum, Ravi Kumar, Manzoor A. Malik, R. J. Choudhary, D. K. Shukla
|
Ceramic International
|
XAS and XPS analysis of double magnetic transition, canonical spin glass behavior and magnetoresistance in LaMn1-xCoxO3 (0.1<x<0.5) system
|
47
|
SCI
|
|
2021
|
F. H. Bhat, Ghazala A. khan, Gitansh Kataria, Ravi Kumar, Deshdeep Sahdev and Manzoor A. Malik
|
AIP Advances
|
Study of canonical spin glass behavior in Co doped LaMnO3
|
11
|
SCI
|
|
2021
|
Pankaj Bhardwaj, Jarnail Singh, Rajesh Kumar, Ravi Kumar, Vikram Verma
|
Solid State Sciences
|
Structural, optical and magnetic characterization of Ni2+ ions doped chromium oxide (Cr2O3) nanoparticles
|
115
|
SCI
|
|
2021
|
Sumit Bhardwaj, J.D.Sharma, Subhash Chand, K.K.Raina, Ravi Kumar
|
Solid State Communications
|
Enhanced Electroactive Phases in Bi3.3La0.7Ti3O12-poly (vinylidene fluoride) composites with Improved Dielectric Properties
|
326
|
SCI
|
|
2021
|
Amarjit Singh, Jarnail Singh, Manoj Kumar Sinha, Ravi Kumar, Vikram Verma
|
Journal of Materials Engineering and Performance
|
Compaction and Densification Characteristics of Iron Powder/Coal Fly Ash Mixtures Processed by Powder Metallurgy Technique
|
30
|
SCI
|
|
2021
|
FH Bhat, G Anjum, Ravi Kumar, Manzoor A Malik, RJ Choudhary, DK Shukla
|
Ceramics International
|
XAS and XPS analysis of double magnetic transition, canonical spin glass behavior and magnetoresistance in LaMn1-xCoxO3 (0.1≤ x≤ 0.5) system
|
47
|
SCI
|
|
2021
|
Jarnail Singh, Rajesh Kumar, Vikram Verma, Ravi Kumar
|
Materials Science in Semiconductor Processing
|
Structural and optoelectronic properties of epitaxial Ni-substituted Cr2O3 thin films for p-type TCO applications Volume 123
|
123
|
SCI
|
|
2021
|
Leelavati, Rajesh Kumar, Ravi Kumar
|
Applied Physics A
|
Structural and optical studies of Mn2+ substituted CdO nano-particles
|
127
|
SCI
|
|
2021
|
Yogesh Kumar, Ravi Kumar, K Asokan, RJ Choudhary, DM Phase, Abhinav Pratap Singh
|
Journal of Materials Science: Materials in Electronics
|
High mobility transparent and conducting oxide films of La-doped SrSnO3
|
32
|
SCI
|
|
2021
|
Mohd Hashim, Nehru Boda, Ateeq Ahmed, SK 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
|
Applied Physics A
|
Influence of samarium doping on structural, elastic, magnetic, dielectric, and electrical properties of nanocrystalline cobalt ferrite
|
127
|
SCI
|
|
2021
|
Jitender Kumar, Rajesh Kumar, Mukhtiyar Singh, Shalendra Kumar, Ravi Kumar, Sung Ok Won, Ranjeet Brajpuriya, Sourabh Dwivedi, Ram K Sharma, Ankush Vij
|
Applied Physics A
|
Structural, diffuse reflectance and luminescence study of t-Mg2B2O5 nanostructures
|
127
|
SCI
|
|
2022
|
Pankaj Bhardwaj, Jarnail Singh, Rajesh Kumar, Dinesh Kumar, Vikram Verma, Ravi Kumar
|
Applied Physics A
|
Oxygen defects induced tailored optical and magnetic properties of FexCr2−xO3 (0 ≤ x ≤ 0.1) nanoparticles
|
128
|
SCI
|
|
2022
|
D Ravinder, Mohd Hashim, Anupama Upadhyay, Mukhlis M Ismail, Shalendra Kumar, Ravi Kumar, Sher Singh Meena, Ahmad Khalilullah
|
Solid State Communications
|
Investigation of structural and magnetic properties of La doped Co–Mn ferrite nanoparticles in the presence of α-Fe2O3 phase
|
342
|
SCI
|
|
2022
|
Ravinder Kumar, Kapil Dev Singh, Ravi Kumar
|
Journal of Materials Science: Materials in Electronics
|
Effect of Sr substitution on structural properties of LaCrO3 perovskite
|
33
|
SCI
|
|
2022
|
Sunil Kumar, Deepawali Arora, Simranpreet Kaur, Parvinder Kaur, Gurinder Pal Singh, Puneet Kaur, Ravi Kumar, DP Singh
|
Materials Science and Engineering: B
|
Structural, Optical, Electrical and Magnetic properties of 100Mev Ni7+ irradiated Mn doped ZnO thin films
|
279
|
SCI
|
|
2022
|
Amarjit Singh, Harish Singh Dhami, Manoj Kumar Sinha, Ravi Kumar
|
Powder Technology
|
Evaluation and comparison of mineralogical, micromeritics and rheological properties of waste machining chips, coal fly ash particulates with metal and ceramic powders
|
408
|
SCI
|
|
2022
|
Sahil Dani, A Arya, Hitesh Sharma, Rakesh Kumar, Navdeep Goyal, Ravi Kumar, Rabia Pandit
|
Journal of Alloys and Compounds
|
Structural and electronic properties of double perovskite ruthenates; A2GdRuO6 (where A= Ba, Sr)
|
913
|
SCI
|
|
2022
|
Ravinder Kumar, Kapil Dev Singh, Ravi Kumar
|
Journal of Materials Science: Materials in Electronics
|
Reply to comment on “effect of Sr substitution on the structural properties of LaCrO3 perovskite”
|
33
|
SCI
|
|
2022
|
Leelavati, Rajesh Kumar, Ravi Kumar
|
Journal of Superconductivity and Novel Magnetism
|
Origin of Ferromagnetism in Cd1−xMnxO Nanoparticles
|
35
|
SCI
|
|
2022
|
Amarjit Singh, Jarnail Singh, Harish Singh Dhami, Manoj Kumar Sinha, Koushik Viswanathan, Ravi Kumar
|
Advanced Powder Technology
|
Quantifying the influences of coal fly ash on rheological and compaction behaviour of iron powder and mild steel machining chips
|
33
|
SCI
|
|
2022
|
Kapil Dev Singh, Dinesh Kumar Shukla, Ravi Kumar
|
Journal of Electronic Materials
|
Effect of Varying Rare-Earth Cations on the Electronic Structure of RCrO3 Perovskites
|
51
|
SCI
|
|
2023
|
Pankaj Bhardwaj, Rajesh Kumar, Jarnail Singh, Vikram Verma, Ravi Kumar
|
Journal of Magnetism and Magnetic Materials
|
A comparative study on the structural, optical, and magnetic behavior of transition metal (Co and Mn) ions substituted Cr2O3 nanoparticles
|
565
|
SCI
|
|
2023
|
Mohd Hashim, D Ravvinder Nayak, Ateeq Ahmed, Shalendra Kumar, Sagar E Shirsath, Mukhlis M Ismail, SK Sharma, Muntasir Ali Alayasreh, Ravi Kumar, D Ravinder, RB Jotania, Sher Singh Meena, Khalid Mujasam Batoo
|
Ceramics International
|
Structural, dielectric, electric and magnetic properties of magnesium substituted lithium nanoferrites
|
49
|
SCI
|
|
2023
|
Ravinder Kumar Ravi Kumar
|
Applied Physics A
|
Structural and dielectric properties of Sr2+ ions substituted NdCrO3 orthochromate perovskite
|
129
|
SCI
|
|
2024
|
Pankaj Bhardwaj, J.Singh, A.P. Singh, R.J. Choudhary, V. Verma, R. Kumar
|
Materials Science and Engineering: B
|
Observation of room temperature ferromagnetism in transition metal ions substituted p-type transparent conducting oxide Cr2O3 thin films
|
299
|
SCI
|
|
2024
|
Prashant Kumar, Ravi Kumar, Vipul Sharma, Manoj Kumar Khanna, Bijoy Kumar Kuanr
|
AIP Advances
|
Thickness dependent structural, morphological, and magnetic properties of PLD grown CoFe thin film
|
14
|
SCI
|
|
2023
|
Amarjit Singh, Jarnail Singh, Manoj Kumar Sinha and Ravi Kumar
|
International Journal on Interactive Design and Manufacturing (Springer)
|
Ferrous-metal matrix composites: a review on status, scope and challenges.
|
17
|
SCOPUS
|
|
2022
|
Amarjit Singh, Manoj Kumar Sinha, Vishal Jagota and Ravi Kumar.
|
Sadhana(Springer)
|
Production, characterisation and utilisation of grinding swarf/feedstock for synthesis of metal matrix composite through powder metallurgy process: a short communication.
|
47
|
SCI
|
|
2020
|
Amarjit Singh,Jarnail Singh, Manoj Kumar Sinha,Vikram Verma and Ravi Kumar.
|
Sadhana(Springer)
|
Investigations on microstructural and microhardness developments in sintered iron–coal fly ash composites.
|
45
|
SCI
|
|
2024
|
Amarjit Singh, Harish Singh Dhami, Manoj Kumar Sinha, Rajesh Kumar Sharma, Munish Kumar Gupta, Mehmet Erdi Korkmaz, Satish Tailor, Jarnail Singh, Ravi Kumar
|
The International Journal of Advanced Manufacturing Technology (Springer)
|
Modeling, deposition, and mechanical characterizations of single step surface coating using high speed grinding
|
12
|
SCI
|
|
2023
|
Saurav Dixit, Amarjit Singh, Jarnail Singh, Ravi Kumar, Nikolai Ivonovich Vatin, Kaushal Kumar, Tatyana Miroshnikova, Kirill Epifantsev and Manoj Kumar Sinha.
|
International Journal on Interactive Design and Manufacturing (Springer)
|
Comparison of theoretical and experimental physio-mechanical properties of coal-fly ash (CFA) reinforced iron matrix composites.
|
17
|
SCOPUS
|
|
2024
|
Sunidhi, Sunil K. Arora, Vishal Sharma , Shivank Kalia, Ravi Kumar, R.J. Choudhary
|
Materials Today: Proceedings
|
Impact of variation in oxygen partial pressure on the crystallinity and electronic structure of WO3 thin films deposited using Pulsed laser deposition
|
x
|
SCI
|
|
2024
|
Sajal Shradha, Sunil K. Arora, Varun Ranade, Ashutosh Anand, Dinesh K. Shukla, Ram J. Choudhary, Ravi Kumar
|
Materials Today: Proceedings
|
Temperature-dependent dielectric response of free standing PVDF-MoS2 nanocomposite films
|
x
|
SCI
|
|
2024
|
Jyotsna, Rajender Kumar, Ravi Kumar, Ravinder Kumar
|
Journal of Alloys and Compounds
|
Spectroscopic analysis of defect-induced luminescent and dielectric properties of MgO-based composites on varying dopant concentration
|
1002
|
SCI
|
