Dispersion of electron g-factor with optical transition energy in (In,Ga)As/GaAs self-assembled quantum dots

被引:16
|
作者
Schwan, A. [1 ]
Meiners, B-M. [1 ]
Henriques, A. B. [2 ]
Maia, A. D. B. [2 ]
Quivy, A. A. [2 ]
Spatzek, S. [1 ]
Varwig, S. [1 ]
Yakovlev, D. R. [1 ]
Bayer, M. [1 ]
机构
[1] Tech Univ Dortmund, D-44221 Dortmund, Germany
[2] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil
基金
巴西圣保罗研究基金会;
关键词
SPIN COHERENCE;
D O I
10.1063/1.3588413
中图分类号
O59 [应用物理学];
学科分类号
摘要
The electron spin precession about an external magnetic field was studied by Faraday rotation on an inhomogeneous ensemble of singly charged, self-assembled (In,Ga)As/GaAs quantum dots. From the data the dependence of electron g-factor on optical transition energy was derived. A comparison with literature reports shows that the electron g-factors are quite similar for quantum dots with very different geometrical parameters, and their change with transition energy is almost identical. (C) 2011 American Institute of Physics. [doi:10.1063/1.3588413]
引用
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页数:3
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