activity
20112022
most citedNegative Thermal Expansion Behaviour in MZrF6 (M=Ca, Mg, Sr): Ab-initio Lattice Dynamical Studies

43 citations · 157 across the 14 of their papers we have counts for

collaborators

14 papers

cond-mat.mtrl-sci2022

Soft Anharmonic Coupled Vibrations of Li and SiO4 Enable Li-ion Diffusion in Amorphous Li2Si2O5

Sajan Kumar, Mayanak K. Gupta, Prabhatasree Goel +7

We present the investigations on atomic dynamics and Li+ diffusion in crystalline and amorphous Li2Si2O5 using quasielastic (QENS) and inelastic neutron scattering (INS) studies su…

cond-mat.mtrl-sci2022★ 4 cited

Solid-like to Liquid-like Behavior of Cu Diffusion in Superionic Cu2X (X=S, Se): An Inelastic Neutron Scattering and Ab-Initio Molecular Dynamics Investigation

Sajan Kumar, M. K. Gupta, Prabhatasree Goel +5

Cu2Se and Cu2S are excellent model systems of superionic conductors with large diffusion coefficients that have been reported to exhibit different solid-liquid-like Cu-ion diffusio…

cond-mat.mtrl-sci2020★ 4 cited

Revisiting 70 years of lattice dynamics of BaTiO3: Combined first principle and experimental investigation

Vivek Dwij, Binoy Krishna De, Gaurav Sharma +4

BaTiO3 is a classical ferroelectric studied for last one century for its ferroelectric properties. Lattice dynamics of BaTiO3 is crucial as the utility of devices is governed by ph…

cond-mat.mtrl-sci2020★ 4 cited

Phonons and Oxygen Diffusion in Bi2O3 and (Bi0.7Y0.3)2O3

Prabhatasree Goel, M. K. Gupta, R. Mittal +3

We report investigation of phonons and oxygen diffusion in Bi2O3 and (Bi0.7Y0.3)2O3. The phonon spectra have been measured in Bi2O3 at high temperatures up to 1083 K using inelasti…

cond-mat.mtrl-sci2019

Annealing driven positive and negative exchange bias in Fe-Cu-Pt heterostructures at room temperature

M. A. Basha, Harsh Bhatt, Yogesh Kumar +5

We report annealing induced exchange bias in Fe-Cu-Pt based heterostructures with Cu as an intermediate layer (Fe/Cu/Pt heterostructure) and capping layer (Fe/Pt/Cu heterostructure…

cond-mat.mes-hall2019★ 21 cited

Antisymmetric magnetoresistance and helical magnetic structure in compensated Gd/Co multilayer

Surendra Singh, M. A. Basha, C. L. Prajapat +8

Using spin dependent specular and off-specular polarized neutron reflectivity (PNR), we report the observation of a twisted helical magnetic structure with planar 2π domain wall (D…