PROFILES OF THE NORMAL AND INVERTED SEMICONDUCTOR INTERFACES - A ZEEMAN STUDY IN ASYMMETRIC CD1-YZNYTE/CDTE/CD1-XMNXTE QUANTUM-WELLS

被引：26
|
作者：
GRIESHABER, W
CIBERT, J
GAJ, JA
DAUBIGNE, YM
WASIELA, A
机构：
[1] Laboratoire de Spectrométrie Physique, Université J. Fourier, 38402 Saint Martin d'Hères
来源：
PHYSICAL REVIEW B | 1994年 / 50卷 / 03期
关键词：
D O I：
10.1103/PhysRevB.50.2011
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The normal (Cd1-xMnxTe grown on CdTe) and inverted (CdTe on Cd1-xMnxTe) interfaces are studied separately using a quantitative model of the Zeeman effect of excitons in asymmetric CdTe quantum wells with a magnetic Cd1-xMnxTe barrier on one side and a nonmagnetic Cd1-yZnyTe barrier on the opposite side. The extrinsic effect (dilution of Mn) is dominant at the inverted interface, while the normal interface allows a rather low upper bound to the intrinsic interface effect (due to missing nearest neighbors). Experimental results agree well with model profiles assuming a complete Cd/Mn exchange during growth between the surface layer and the subsurface layer.
引用
收藏
页码：2011 / 2014
页数：4
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