Conductance measurement of spin-orbit coupling in two-dimensional electron systems with an in-plane magnetic field

被引：1
作者：
Kolasinski, K. [1 ,2 ,3 ]
Sellier, H. [2 ,3 ]
Szafran, B. [1 ]
机构：
[1] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Al Mickiewicza 30, PL-30059 Krakow, Poland
[2] CNRS, Inst Neel, Boite Postale 166, F-38042 Grenoble, France
[3] Univ Grenoble 1, Boite Postale 166, F-38042 Grenoble, France
来源：
PHYSICAL REVIEW B | 2016年 / 94卷 / 12期
关键词：
SEMICONDUCTOR QUANTUM-WELLS; GATE CONTROL; RASHBA; LAYERS; HELIX;
D O I：
10.1103/PhysRevB.94.121304
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We consider determination of spin-orbit (SO) coupling constants for the two-dimensional electron gas from measurements of electric properties in rotated in-plane magnetic field. Due to the SO coupling the electron backscattering is accompanied by spin precession and spin mixing of the incident and reflected electron waves. The competition of the external and SO-related magnetic fields produces a characteristic conductance dependence on the in-plane magnetic field value and orientation which, in turn, allows for determination of the absolute value of the effective spin-orbit coupling constant as well as the ratio of the Rashba and Dresselhaus SO contributions.
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页数：5
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