3 papers
cond-mat.str-el2025
Phonon Dynamics of Topological Quantum Materials
Vivek Kumar
The thesis presents a comprehensive Raman spectroscopic and first-principle density functional theory based investigation of V_(1-x)PS_(3) ; PbTaSe_(2) and 1T-TaS_(2). In V_(1-x)PS…
cond-mat.mtrl-sci2024
Ab-initio investigations of novel potential all-d metal Heusler alloys CoMnNb
Sumit Kumar, Diwaker, Vivek Kumar +2
In this study, we employ the Wien2k code to conduct ab-initio study of a novel potential all-d-metal Heusler alloy CoMnNb. The analysis utilizes the comparison of local spin de…
cond-mat.mtrl-sci2023
Towards a comprehensive understanding of the low energy luminescence peak in 2D materials
Keerthana S Kumar, Ajit Kumar Dash, Hasna Sabreen H +6
An intense low-energy broad luminescence peak (L-peak) is usually observed in 2D transition metal dichalcogenides (TMDs) at low temperatures. L-peak has earlier been attributed to…