no code implementations • 19 Jan 2021 • Yulei Han, Shiyang Sun, Shifei Qi, Xiaohong Xu, Zhenhua Qiao
The interlayer antiferromagnetic coupling hinders the observation of quantum anomalous Hall effect in magnetic topological insulator MnBi$_2$Te$_4$.
Formation Energy Materials Science
no code implementations • 24 Dec 2020 • Zheng Liu, Yulei Han, Yafei Ren, Qian Niu, Zhenhua Qiao
We identify a valley-polarized Chern insulator in the van der Waals heterostructure, Pt$_{2}$HgSe$_{3}$/CrI$_3$, for potential applications with interplay between electric, magnetic, optical, and mechanical effects.
Band Gap Materials Science