3 papers
cond-mat.mtrl-sci2025
Phase-engineered Non-degenerate Sliding Ferroelectricity Enables Tunable Photovoltaics in Monolayer Janus In2S2Se
Yixuan Li, Qiang Wang, Keying Han +7
Two-dimensional sliding ferroelectrics, with their enhanced efficiencies of charge separation and tunability, constitute promising platforms for next-generation photovoltaic device…
cond-mat.mtrl-sci2025
Electronic and optical and topological properties of defects in bismuthene
Gabriel Elyas Gama Araujo, Andreia Luisa da Rosa, Alexandre Cavalheiro Dias +1
In this work we use first principles density-functional theory and Bethe-Salpeter equation together with tight-binding based maximally localized wannier functions (MLWF-TB) to inve…
cond-mat.mtrl-sci2023
Elemental Ferroelectric Topological Insulator in -bismuthene
Yan Liang, Xuening Han, Thomas Frauenheim +2
Ferroelectric quantum spin Hall insulator (FEQSHI) exhibits coexisting ferroelectricity and time-reversal symmetry protected edge states, holding fascinating prospects for inviting…