Ab-inito simulation of the structural, electronic and optical properties for the vacancy-ordered double perovskites ATiI (A = Cs or NH); a time-dependent density functional theory study
Masoumeh Talebi, A. Mokhtari, Vishtasb Soleimanian
Topics & Concepts
Density functional theoryBand gapTime-dependent density functional theoryMolar absorptivityAttenuation coefficientMaterials scienceVacancy defectOptical conductivityRefractive indexAb initioAbsorption (acoustics)Absorption spectroscopyDirect and indirect band gapsElectronic band structureDielectricAb initio quantum chemistry methodsChemistryMolecular physicsCondensed matter physicsComputational chemistryPhysical chemistryOptoelectronicsOpticsPhysicsCrystallographyMoleculeOrganic chemistryComposite materialPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsSolid-state spectroscopy and crystallography