期刊
PHYSICAL REVIEW B
卷 82, 期 16, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.82.161108
关键词
-
资金
- Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [DE-AC02-76SF00515]
- Alexander von Humboldt Foundation of Germany
- Supercomputer Center of Northern Germany [hbp00002]
A different class of three-dimensional topological insulator, ternary rare-earth chalcogenides, is theoretically investigated with ab initio calculations. Based on both bulk band-structure analysis and the direct calculation of topological surface states, we demonstrate that LaBiTe3 is a topological insulator. La can be substituted by other rare earth elements, which provide candidates for novel topological states such as quantum anomalous Hall insulator, axionic insulator, and topological Kondo insulator. Moreover, YBiTe3 and YSbTe3 are found to be normal insulators. They can be used as protecting barrier materials for both LaBiTe3 and Bi2Te3 families of topological insulators for their well-matched lattice constants and chemical composition.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据