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cond-mat.mtrl-sci2022★ 7 cited
Unusual electric polarization behavior in elemental quasi-2D allotropes of selenium
Dan Liu, Lin Han, Ran Wei +4
We investigate tunable electric polarization and electronic structure of quasi-two-dimensional (quasi-2D) allotropes of selenium, which are formed from their constituent one-dimens…
cond-mat.mtrl-sci2022★ 3 cited
Ferroelectricity induced by the absorption of water molecules on double helix SnIP
Dan Liu, Ran Wei, Lin Han +2
We study the ferroelectricity in a one-dimensional system composed of a double helix SnIP with absorbing water molecules. Our ab initio calculations reveal two factors that are cri…