Magnetic quantum oscillations for the surface states of topological insulator Bi2Se3

被引：34

作者：

Wang, Zhigang ^{[1
]}

Fu, Zhen-Guo ^{[1
,2
]}

Wang, Shuang-Xi ^{[1
,2
]}

Zhang, Ping ^{[1
,3
]}

机构：

[1] Inst Appl Phys & Computat Math, LCP, Beijing 100088, Peoples R China

[2] Chinese Acad Sci, Inst Semicond, State Key Lab Superlattices & Microstruct, Beijing 100083, Peoples R China

[3] Peking Univ, Ctr Appl Phys & Technol, Beijing 100871, Peoples R China

来源：

PHYSICAL REVIEW B | 2010年 / 82卷 / 08期

关键词：

SINGLE DIRAC CONE; BI2TE3; WELLS; PHASE;

D O I：

10.1103/PhysRevB.82.085429

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We study quantum oscillations of the magnetization in Bi2Se3 (111) surface system in the presence of a perpendicular magnetic field. The combined spin-chiral Dirac cone and Landau quantization produce profound effects on the magnetization properties that are fundamentally different from those in the conventional semiconductor two-dimensional electron gas. In particular, we show that the oscillating center in the magnetization chooses to pick up positive or negative values depending on whether the zero-mode Landau level is occupied or empty. An intuitive analysis of these features is given and the subsequent effects on the magnetic susceptibility and Hall conductance are also discussed.

引用

页数：6

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