SPIN ORIENTATION BY OPTICAL-PUMPING IN 2 GAAS/ALXGA1-XAS QUANTUM-WELLS

被引：4

作者：

BACQUET, G ^{[1
]}

BARRAU, J ^{[1
]}

HASSEN, F ^{[1
]}

LAURET, N ^{[1
]}

MASSIES, J ^{[1
]}

机构：

[1] CNRS,PHYS SOLIDE LAB,F-06560 VALBONNE,FRANCE

来源：

SUPERLATTICES AND MICROSTRUCTURES | 1992年 / 11卷 / 04期

关键词：

D O I：

10.1016/0749-6036(92)90209-N

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The optical pumping properties of two GaAs/AlxGa1-xAs quantum wells with similar well widths (∼6 nm) but differing by the introduction in one of them of a layer of Ino. 12Gao.88As between one barrier and the buffer were investigated. The strong increase of the value of the circular degree of polarization in this last sample with respect to the classical one is interpretated by the degradation of the interface quality due to the existence of a strain in the barrier. The absence of depolarization under a magnetic field in Voigt configuration may be explained by the cancelation of the electron Lande's factor for such well widths. © 1992.

引用

页码：495 / 499

页数：5

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