Noncollinear Paramagnetism of a GaAs Two-Dimensional Hole System

被引：10

作者：

Yeoh, L. A. ^{[1
]}

Srinivasan, A. ^{[1
]}

Klochan, O. ^{[1
]}

Winkler, R. ^{[2
]}

Zuelicke, U. ^{[3
,4
]}

Simmons, M. Y. ^{[5
]}

Ritchie, D. A. ^{[6
]}

Pepper, M. ^{[7
]}

Hamilton, A. R. ^{[1
]}

机构：

[1] Univ New S Wales, Sch Phys, Sydney, NSW 2052, Australia

[2] Univ Illinois, Dept Phys, De Kalb, IL 60115 USA

[3] Victoria Univ Wellington, Sch Chem & Phys Sci, Wellington 6140, New Zealand

[4] Victoria Univ Wellington, MacDiarmid Inst Adv Mat & Nanotechnol, Wellington 6140, New Zealand

[5] Univ New S Wales, Sch Phys, Ctr Quantum Computat & Commun Technol, Sydney, NSW 2052, Australia

[6] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

[7] UCL, Dept Elect & Elect Engn, London WC1E 7JE, England

来源：

PHYSICAL REVIEW LETTERS | 2014年 / 113卷 / 23期

基金：

英国工程与自然科学研究理事会; 美国国家科学基金会; 澳大利亚研究理事会;

关键词：

INVERSION SYMMETRY; METALLIC BEHAVIOR; ANISOTROPY; GAS;

D O I：

10.1103/PhysRevLett.113.236401

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have performed transport measurements in tilted magnetic fields in a two-dimensional hole system grown on the surface of a (311) A GaAs crystal. A striking asymmetry of Shubnikov-de Haas oscillations occurs upon reversing the in-plane component of the magnetic field along the low-symmetry [(2) over bar 33] axis. As usual, the magnetoconductance oscillations are symmetric with respect to reversal of the in-plane field component aligned with the high-symmetry [01 (1) over bar] axis. Our observations demonstrate that an in-plane magnetic field can generate an out-of-plane component of magnetization in a low-symmetry hole system, creating new possibilities for spin manipulation.

引用

页数：5

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