SPIN-FLIP SCATTERING OF HOLES IN SEMICONDUCTOR QUANTUM-WELLS

被引：151
|
作者：
FERREIRA, R
BASTARD, G
机构：
[1] Laboratoire de Physique de la Matière Condensée de l'Ecole Normale Supérieure, F-75005 Paris Cedex 05
来源：
PHYSICAL REVIEW B | 1991年 / 43卷 / 12期
关键词：
D O I：
10.1103/PhysRevB.43.9687
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report results of calculations on the "spin"-flip relaxation time of holes in semiconductor quantum wells due to hole interaction with static scatterers such as ionized impurities, alloy fluctuations, and s-d exchange (in the case of quantum wells based on diluted magnetic semiconductors). We show that size quantization along the growth axis leads to a drastic quenching of the "spin"-flip scattering. This results in hole "spin"-flip relaxation times, which can be much longer than the recombination time when the hole in-plane kinetic energy is small compared with the HH1-LH1 separation distance.
引用
收藏
页码：9687 / 9691
页数：5
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