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4 papers · 2 filters
Nanocrystallization and Amorphization Induced by Reactive Nitrogen Sputtering in Iron and Permalloy
Rachana Gupta, Mukul Gupta
Thin films of iron and permalloy Ni80Fe20 were prepared using an Ar+N2 mixture with magnetron sputtering technique at ambient temperature. The nitrogen partial pressure, during spu…
Behavior of Optical Phonons near the Diffuse Phase Transition in Relaxor Ferroelectric PbMg1/3Ta2/3O3
S. G. Lushnikov, S. N. Gvasaliya, R. S. Katiyar
Raman scattering in relaxor ferroelectric PbMg1/3Ta2/3O3 (PMT) was investigated in the single crystalline form in the temperature range of 20 - 295 K. Anomalous temperature depende…
Dynamics of cubic-tetragonal phase transition in KNbO perovskite
S. N. Gvasaliya, B. Roessli, R. A. Cowley +3
The low-energy part of the vibration spectrum in KNbO was studied by cold neutron inelastic scattering in the cubic phase. In addition to acoustic phonons, we observe strong di…
Neutron scattering study of PbMgTaO and BaMgTaO complex perovskites
S. N. Gvasaliya, B. Roessli, D. Sheptyakov +2
Neutron scattering investigations were carried out in PbMgTaO and BaMgTaO complex perovskites. The crystal structure of both compounds does…