RESONANCE RAMAN-SCATTERING IN CDTE CDMNTE SUPERLATTICES UNDER A MAGNETIC-FIELD

被引：1
|
作者：
VINA, L
CALLE, F
CALLEJA, JM
CHANG, LL
YOSHINO, J
机构：
[1] UNIV AUTONOMA MADRID CANTO BLANCO,DEPT FIS APLICADA,E-28049 MADRID,SPAIN
[2] IBM CORP,THOMAS J WATSON RES CTR,YORKTOWN HTS,NY 10598
来源：
SOLID STATE COMMUNICATIONS | 1992年 / 83卷 / 08期
关键词：
D O I：
10.1016/0038-1098(92)90647-R
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We present a comparative study of the pseudo-absorption and resonance Raman scattering in CdTe/Cd1-xMnxTe superlattices in the presence of an external magnetic field. Under excitation with circularly polarized light, the resonance Raman profiles separate into two components corresponding to the Zeeman-split ground state excitons. A further analysis of the polarization of the scattered light proves that the efficiency of the Frohlich mechanism is larger by a factor of approximately 10 than the corresponding deformation-potential one.
引用
收藏
页码：539 / 543
页数：5
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