Inversion asymmetry effects in modulation-doped Cd1-xMnxTe quantum wells

被引：4
作者：
Rice, C. [1 ]
Wolverson, D. [1 ]
Moskalenko, A. [1 ]
Bending, S. J. [1 ]
Karczewski, G. [2 ]
Wojtowicz, T. [2 ]
机构：
[1] Univ Bath, Dept Phys, Bath BA2 7AY, Avon, England
[2] Polish Acad Sci, Inst Phys, Warsaw, Poland
来源：
PHYSICAL REVIEW B | 2013年 / 87卷 / 12期
关键词：
SPIN-ORBIT INTERACTIONS; CONDUCTION SUBBANDS; MAGNETIC-FIELD; ELECTRON-GAS; HETEROSTRUCTURES; PRECESSION; ANISOTROPY; RASHBA; LAYERS; BAND;
D O I：
10.1103/PhysRevB.87.121304
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report a striking in-plane anisotropy of the spin-flip Raman signals observed for dilute magnetic Cd1-xMnxTe quantum wells containing a two-dimensional electron gas. The effect depends upon electron concentration, which can be varied within a single sample via secondary above-barrier illumination. The experimental results are described in a simple, single-electron picture by a model of the conduction band Hamiltonian that includes contributions from Dresselhaus, Rashba, and Zeeman terms. DOI: 10.1103/PhysRevB.87.121304
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页数：5
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