In-plane optical anisotropy of parabolic and half-parabolic Cd1-xMnxTe quantum wells

被引：7
|
作者：
Kowalik, K
Kudelski, A
Gaj, JA
Wojtowicz, T
Krebs, O
Voisin, P
机构：
[1] Univ Warsaw, Inst Expt Phys, PL-00681 Warsaw, Poland
[2] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
[3] CNRS, Lab Photon & Nanostruct, F-91460 Marcoussis, France
来源：
SOLID STATE COMMUNICATIONS | 2003年 / 126卷 / 08期
关键词：
parabolic quantum wells; oriented defects; optical in-plane anisotropy;
D O I：
10.1016/S0038-1098(03)00190-X
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We report an investigation of the in-plane anisotropy of parabolic (PQW) and half-parabolic (HPQW) Cd1-xMnxTe quantum wells (QWs) grown by molecular beam epitaxy on (001) oriented GaAs substrates. For HPQW we obtain a good description using a microscopic model related to the atomic structure of interfaces. For PQW a strong anisotropy of excitonic reflectivity (not predicted by the model) is also observed. This result suggests that extrinsic contributions must be considered in realistic analysis of in-plane anisotropy of semiconductor quantum structures. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：467 / 471
页数：5
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