Spin effects in quantum dots

被引：2
|
作者：
Koenemann, J.
Winkler, R.
Maude, D. K.
Haug, R. J.
机构：
[1] Leibniz Univ Hannover, Inst Festkorperphys, D-30167 Hannover, Germany
[2] CNRS, High Field Magnet Lab, F-38042 Grenoble 9, France
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2006年 / 243卷 / 14期
关键词：
D O I：
10.1002/pssb.200642292
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Spin-resolved single-electron tunneling in GaAs/AlGaAs double-barrier resonant tunneling structures is used to investigate the spin-splitting of fully quantized electronic states. With the use of magneto-tunneling spectroscopy we evaluated the Lande g-factor of GaAs quantum dots of different confinement strengths. We observe with increasing confinement a shift of the Lande-factor from the bulk GaAs-value towards positive values. Our results are compared to a multiband-k(.)p-calculation. (c) 2006 WILEY-VCH Vertag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：3678 / 3681
页数：4
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