7 citations · 21 across the 7 of their papers we have counts for
7 papers
Electronic structure, excitonic optical response, and defect stability of RbTlCl3 from first-principles
Siddharth, Vinod Kumar Solet, Sudhir K. Pandey
We present a many-body ab initio study of the electronic structure, optical properties, excitonic effects, and defect stability of RbTlCl3. Density functional theory and many-body…
Significant first-principles electron-phonon coupling effects in the LiZnAs and ScAgC half-Heusler thermoelectrics
Vinod Kumar Solet, Sudhir K. Pandey
The half-Heusler (hH) compounds are currently considered promising thermoelectric (TE) materials due to their favorable thermopower and electrical conductivity. Accurate estimates…
Many-body \textit{ab initio} study of quasiparticles, optical excitations, and excitonic properties in LiZnAs and ScAgC for photovoltaic applications
Vinod Kumar Solet, Sudhir K. Pandey
Using first-principles density-functional theory and many-body excited-state calculations, we study the quasiparticle band structure, optical and excitonic properties of two half-H…
Band gap renormalization, carrier mobility, and transport in MgSi and CaSi: \textit{Ab initio} scattering and Boltzmann transport equation study
Vinod Kumar Solet, Sudhir K. Pandey
We perform first-principles electron-phonon interaction (EPI) calculations based on many-body perturbation theory to study the temperature-dependent band-gap and charge-carrier tra…
Understanding the transport behaviour of PbSe: A combined experimental and computational study
Isha Sihmar, Abhishek Pandey, Vinod Kumar Solet +3
Lead chalcogenides are the promising thermoelectric (TE) materials having narrow band gap. The present work investigates the TE behaviour of PbSe in the temperature range 300-500 K…
MgSi and CaSi semiconductors for photovoltaic applications: Calculations based on density-functional theory and the Bethe-Salpeter equation
Vinod Kumar Solet, Sudhir K. Pandey
We conduct a comprehensive assessment of the electronic and optical properties, as well as photovoltaic (PV) performance parameters for MgSi and CaSi using density-func…
Ab-initio study of phononic thermal conduction in ScAgC half-Heusler
Vinod Kumar Solet, Sudhir Kumar Pandey
We present a first-principles lattice calculations to comprehend the thermal expansion and lattice thermal conductivity of ScAgC. The obtained positive frequencies…