Post Doctoral Fellow (Institute of Physics, India)
Post Doctoral Fellow (Institute of Physics, India)
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Major investigations
Major investigations
Low (10-150 keV He+, Ar+, and Kr+ ions) to intermediate (1-2 MeV He+, N+, and Au2+ ions) energy ion irradiation induced tuning of magnetic and structural properties of UHV electron-beam evaporated ultrathin Co/Pt and Co/Cr/Pt nanometer scale magnetic thin films on Si surfaces, over a localized area.
Low (10-150 keV He+, Ar+, and Kr+ ions) to intermediate (1-2 MeV He+, N+, and Au2+ ions) energy ion irradiation induced tuning of magnetic and structural properties of UHV electron-beam evaporated ultrathin Co/Pt and Co/Cr/Pt nanometer scale magnetic thin films on Si surfaces, over a localized area.
Correlated the changes in magnetic properties of the ion-irradiated bi- and mutli-layer thin films with those occurring in their structural properties.
Correlated the changes in magnetic properties of the ion-irradiated bi- and mutli-layer thin films with those occurring in their structural properties.
Addressed the mechanism of ion-induced formation of Co-Pt binary and Co-Cr-Pt ternary alloy phases due to interface mixing in the light of atomic displacements based on Monte Carlo and TRIDYN_HZDR simulations
Addressed the mechanism of ion-induced formation of Co-Pt binary and Co-Cr-Pt ternary alloy phases due to interface mixing in the light of atomic displacements based on Monte Carlo and TRIDYN_HZDR simulations
Performed thermal annealing in vacuum and studied the changes in the magnetic and the structural properties of these multilayers with thermal annealing during the above course of period [more details: see ref. 17 in Publication List].
Performed thermal annealing in vacuum and studied the changes in the magnetic and the structural properties of these multilayers with thermal annealing during the above course of period [more details: see ref. 17 in Publication List].
Co-Pt and Co-Cr-Pt alloy systems are considered to be very important materials for high-density perpendicular magnetic recording (PMR) media. Therefore, these studies also indicate that depending upon ion energy, species, other implantation parameters, and even the area of the beam spot, one may be able to pattern such thin films towards their possible application in PMR media.
Co-Pt and Co-Cr-Pt alloy systems are considered to be very important materials for high-density perpendicular magnetic recording (PMR) media. Therefore, these studies also indicate that depending upon ion energy, species, other implantation parameters, and even the area of the beam spot, one may be able to pattern such thin films towards their possible application in PMR media.
3.0 MV Pelletron Accelerator at Institute of Physics, India
3.0 MV Pelletron Accelerator at Institute of Physics, India
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