3 papers
cond-mat.mtrl-sci2022
Dopant size effect on BiFeO perovskite structure for enhanced photovoltaic activity
Tewodros Eyob, Kenate Nemera, Lemi Demeyu
This study is carried out using first principles density functional theory calculations within gpaw code. Atomic size effect is analyzed and investigated by doping either Li, Cs or…
cond-mat.mtrl-sci2021
Strained BiFeO perovskite structure for enhanced photovoltaic effect
Tewodros Eyob, Kenate Nemera, Lemi Demeyu
BiFeO is multiferroic material with space group Pbnm exhibits coupling of both magnetic and electric orders under strain force. To analyze band gap Tauc plot extrapolation me…
cond-mat.mtrl-sci2019
The effect of Non-centrosymmetricity on optical and electronic properties of cubic BaHfO perovskite structure
Tewodros Eyob, Kenate Nemera, Lemi Demeyu
The effect of Non-centrosymmetricity on electronic and optical properties has been investigated using grid based projector augmented wave method code GPAW. The calculation of band…