Sagar Sen, B.K. Panigrahi, R.J. Choudhary, Ajay Gupta, Ratnesh Gupta. Evolution of magnetic anisotropy by O ion implantation in Fe/Co/Fe trilayer Physica B 570 (2019) 241
Ratnesh Gupta, Sagar Sen, D.M. Phase, D.K. Avasthi, A. Gupta Tailoring optical properties of TiO2-Cr co-sputtered films using swift heavy ions Applied Surf. Science 440 (2018) 403
Sagar Sen, A. Gupta, D. M. Phase, and Ratnesh Gupta Influence of preparation methods on the optical and electronic properties of Cr-doped TiO2 thin films AIP Conference Proceedings 1832 (2017) 080074
Sagar Sen, M. Gupta, Ratnesh Gupta Influence of Substrate Temperature on the Electronic and Optical Properties of Cr doped TiO2, AIP Conference Proceedings 1731 (2016) 080086
Sheetal Soni, A. Pandey, A.K. Sinha, Ratnesh Gupta Formation of titanium carbonitride film by laser treatment: Structural and transport properties AIP Conference Proceedings 1665 (2015) 080085
Ratnesh Gupta, S. Soni, D. M. Phase Improvement of oxidation resistance of TiCN films prepared by laser alloying Appl. Phys. A 118 (2015) 191
Harkirat Singh, Ratnesh Gupta, T. Chakraborty, A. Gupta, and C. Mitra Study of Exchange Bias in All Ferromagnetic Fe/Co Soft/Hard Bilayer IEEE Trans. Magnetics 50 (2014) 4800204
Sheetal Soni, K. G. M. Nair, D. M. Phase, Ratnesh Gupta Structural characterization and electronic structure of laser treated TiN thin film AIP Conference Proceedings 1447 (2012) 677
Ratnesh Gupta, A. Khandelwal, D.K. Avasthi, K.G.M. Nair, and A.Gupta, Phase Transitions in Co Thin Film Induced by Low Energy and High Energy Ion Beam Irradiation”, J. Appl. Physics 107 (2010) 033902
Ratnesh Gupta, A. Khandelwal, Ajay Gupta, and Peter Schaaf, “Characterizations of iron oxide films prepared by laser irradiation in oxygen atmosphere”, J. Physics D: Applied Physics 42 (2009) 185305
Ratnesh Gupta, A. Khandelwal, Raisa Ansari, Ajay Gupta, K.G.M. Nair Investigation of structural and magnetic properties of nanoscale Fe/Co bilayers, Surf. and Coatings Tech. 203 (2009) 2717
Ratnesh Gupta, K. P. Lieb, Y. Luo, G. A. Müller, P. Schaaf and K. Zhang, Argon and krypton ion-induced changes in permalloy thin films, Euro. Phys. J. B 63 (2008) 501
Ratnesh Gupta, R. Ansari, A. Khandelwal, J. Fassbender, Ajay Gupta Influence of Cr-ions on the magnetic behaviour of FeCo film Nuclear Instru. and Methods B 266 (2008) 1407
Ratnesh Gupta, A. Khandelwal, R. Ansari, K.G.M. Nair, W. Leitenberger, U. Pietsch, D.M. Phase, A. Gupta Evolution of nano-crystalline phases with post-annealing of nitrogen irradiated Fe/Co bilayers Nuclear Instru. and Methods B 266
(2008) 1705
Ratnesh Gupta, F. Agresti, S. Lo Russo, A. Maddalena, P. Palade, G. Principi, Structure and hydrogen storage properties of MgH2 catalysed with La2O3 J. Alloys & Compd. 450 (2008) 310
Ratnesh Gupta, K. P. Lieb, G. A. Müller, M. Weisheit, and K. Zhang, Influence of substrate and ion irradiation on the magnetic properties of laser-deposited CoFe films Nuclear Instru. and Methods B 346 (2006) 393
G.A. Mueller, E. Carpene, Ratnesh Gupta, P. Schaaf, K. Zhang and K.P. Lieb, Ion beam induced changes in magnetic and microstructural properties of thin iron films Euro. Phys. J. B 48 (2005) 449
Ratnesh Gupta, K.-H. Han, K. P. Lieb, G. A. Müller, P. Schaaf, and K. Zhang Influence of ion implantation on the magnetic properties of thin FeCo films J. Applied Physics 97 (2005) 073911
K. P. Lieb, K. Zhang, G. A. Müller, Ratnesh Gupta, and P. Schaaf Heavy ion irradiated ferromagnetic films: The cases of Cobalt and Iron Hyp. Interaction 160 (2005) 39
Ratnesh Gupta, K. P. Lieb, G. A. Müller, P. Schaaf and K. Zhang Xenon-ion induced magnetic and structural modifications of ferromagnetic alloys Hyp. Interaction 160 (2005) 107
K. Zhang, Ratnesh Gupta, G.A. Mueller, P. Schaaf and K.P. Lieb Interface Mixing and Phase Transformations in Xe-ion irradiated Co/Fe Bilayers Appl. Phys. Lett. 84 (2004) 3915
K. Zhang, R. Gupta, K.P. Lieb, Y. Luo, G. A. Müller, P. Schaaf, and M. Uhrmacher Ion-Induced phase transition in thin Co films J. Magn. Magn. Mater 272-276 (2004) 1162
Ratnesh Gupta, G.A. Müller, P. Schaaf, M. Uhrmacher, K. Zhang and K.-P. Lieb Magnetic modification of thin CoFe films by Xe+ ion irradiation Nucl. Instrm. and Methods B 216 (2004) 350
K. Zhang, Ratnesh Gupta, K.P. Lieb, Y. Luo, G. A. Müller, P. Schaaf, and M. Uhrmacher Xenon-ion induced phase transition in thin Co films Euro Phys. Lett. 64 (2003) 668
G.A. Müller, A. Kulinska, K. Zhang, R. Gupta, P. Schaaf, M. Uhrmacher, and K.P. Lieb MOMS and PAC studies of ion-irradiated ferromagnetic films Hyp. Interaction 151-152 (2003) 223
G. A. Mueller, Ratnesh Gupta, K.-P. Lieb, P. Schaaf Determination of spin distributions in ion-beam magnetic textured iron films by Magnetic Orientation Mössbauer Spectroscopy Appl. Phys. Lett. 82 (2003) 73
Ratnesh Gupta, M. Weisheit, H.U. Krebs, and P. Schaaf Interface structure of Fe/Ag multilayers prepared by pulsed laser deposition Phys. Rev. B. 67 (2003) 075402
G. Principi, T. Spataru, Ratnesh Gupta, S. Enzo, V. Kuncser, G. Filoti Mechanically Alloyed Cu-Fe Studied by Mössbauer Spectroscopy J. Alloys and Compounds 326 (2001) 188
Ratnesh Gupta, Ajay Gupta, , A.K. Nigam, G.Chandra Effect of induced disorder on low temperature resistivity of some non-magnetic and magnetic metallic glasses J. Alloys and Compounds 326 (2001) 275
Ratnesh Gupta, Ajay Gupta Mechanical Alloying of Fe-B Powders Mater. Sci. and Engg. A304 306 (2001) 442
Ratnesh Gupta, A. Gupta, D.K. Avasthi, G. Principi, and C. Tosello, Effect of Swift Heavy ion-irradiation on Cr/Fe/Ni Multilayers Nucl. Instruments and Methods B 156 (1999) 153
A. Gupta, A. Paul, Ratnesh Gupta, D.K. Avashthi, G. Principi Effect of swift ion-irradiation on perpendicular magnetic anisotropy in Fe/Tb Multilayers J. Condens. Matter 10 (1998) 9669
F. Cardellini, V. Contini, Ratnesh Gupta, G. Mazzone, A. Montone, A. Perin, G. Principi Microstructural Evolution of Al-Fe powder mixtures during high energy ball miling J. Mater. Science 33 (1998) 2519
A. Perin, Ratnesh Gupta, G. Principi, C. Tosello, L.M. Gratton, E. Jannitti, E. Kuzzmann, Z. Klenscar, Thermal stability of ion-beam mixed and laser iradiated FeNiCr multilayers Surface and Coating Tech. 103-104 (1998) 93
E. Kuzzmann, K. Nomura, M.EL-Sharif, C.U. Chisholm, G. Principi, C. Tosello, Ratnesh Gupta, K. Havancsak, A. Vertes, Comparative Study of Electro-deposited and Ion beam mixed FeNiCr alloys Hyp. Inter. 112 (1998) 175
Ratnesh Gupta, S. Enzo, R. Frattini, A. Hernando, P. Marin, G. Mulas, A. Perin, G. Principi Structural and magnetic Properties of mechanically alloyed Fe81Si9B6Nb3Cu1 powders Int. J. Non-Equilibrium Processes 10 (1998) 283
S. Enzo, G. Mulas, R. Frattini, G. Principi, Ratnesh Gupta, R.Cooper, N. Cowlam, A study of Mechanically alloyed Cu70Fe30 by diffraction, spectroscopy, and DSC Mater. Sci. Forum 235-238 (1997) 529
P. Gondi, Ratnesh Gupta, R. Montanari, G. Principi, M.E. Tata Internal friction and Mossbauer study of C-Cr associates in MANET steel J. Mater. Res. 12 (1997) 296
C. Tosello, LM. Gratton, G. Principi, A. Gupta, Ratnesh Gupta Effect of ion-beam irradiation on magnetic anisotropy in Fe-Tb Multilayers Surface and Coating Tech. 84 (1996) 338
S. Enzo, R. Frattini, Ratnesh Gupta, P.P. Macri, G. Principi, L. Schiffini, G. Scipione X-ray Powder diffraction and Mossbauer study of Nanocrystalline Fe-Al prepared by mechanical alloying Acta Materialli 44 (1996) 3105
P.P. Macri, S. Enzo, R. Frattini, N. Cowlam, P. Rose, G. Principi, R. Gupta Far-from equilibrium Fe-Ti phases prepared by high-energy mechanical deformation and their thermal evolution J. Appl. Phys. 79 (1996) 3730
S. Enzo, R. Frattini, Ratnesh Gupta, P.P. Macri, G. Principi, L. Schiffini and G. Scipione Mössbauer and XRD study of thermally Treated Fe-Al Nanocrystalline Alloys Mater. Sci. Forum 195 (1995) 31
A. Gupta, G. Principi, Ratnesh Gupta, A. Maddalena, F. Caccavale, C. Tosello Amorphization in Fe-Si Multilayers by Solid State Reaction Phys. Rev. B 50 (1994) 2833
Ajay Gupta, Ratnesh Gupta, G. Principi, E. Ganiti, C. Tosello, V. Rigatto, and R. Frattini Kr Ion and Pulsed Laser Induced Reaction in Fe-Si System Surface and Coatings Technology 51 (1992) 451
G. Principi, Ajay Gupta, Ratnesh Gupta, C. Tosello, L.M. Gratton, A. Maddalena, S. Lo Russo Solid State Reaction In Iron-Silicon Multilayers Hyperfine Interaction 69 (1991) 627
Ajay Gupta, Ratnesh Gupta, S. Lal, A.K. Nigam, G. Chandra, On the Resistivity minimum in Metallic Glasses Material Science and Engg. A 133 (1991) 101
Research Projects
List of Research Projects (2014 onwards)
To investigate the electronic structure of Nitride and carburized of thick films using AIPES beamline of Indus-I
To study shape transformation of magnetic nanoparticls induced by Swift Heavy Ions
Study of Resistance switching properties of metal-oxide thin films prepared by Pullsed Laser deposition
In-situ monitroing and study of resistance switching properties of metal-oxide thin films by swift heavy ions
Modifications of Exchange Bias and Training Effects in FeCo/CoO and FeCo/NiO bilayers
