Unique topological surface states of full-Heusler topological crystalline insulators

被引：9

作者：

Anh Pham ^{[1
]}

Li, Sean ^{[1
]}

机构：

[1] Univ New South Wales, Sch Mat Sci & Engn, Sydney, NSW 2052, Australia

来源：

PHYSICAL REVIEW B | 2017年 / 95卷 / 11期

基金：

澳大利亚研究理事会;

关键词：

EXPERIMENTAL REALIZATION; PREDICTION;

D O I：

10.1103/PhysRevB.95.115124

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Our theoretical analysis reveals that a family of full-Heusler materials exhibit unique topological surface states with type-I and type-II Dirac quasiparticles. The type-I Dirac surface state is characterized by an enclosed Fermi surface, while the type-II Dirac surfaces occur at the touching of the electron and hole pockets. In addition, due to the layered nature of the full-Heusler crystals structured with a wide range of various elements, such structures induce multiple Dirac surface states with different Lifshitz transitions protected by more than one mirror plane.

引用

页数：7

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