MANY-BODY EFFECTS AND CARRIER DYNAMICS IN CDSE/CDS STARK SUPERLATTICES

被引：20

作者：

LANGBEIN, W

HETTERICH, M

KLINGSHIRN, C

机构：

[1] Institut für Angewandte Physik, Universität Karlsruhe

来源：

PHYSICAL REVIEW B | 1995年 / 51卷 / 15期

关键词：

D O I：

10.1103/PhysRevB.51.9922

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Strained CdSe/CdS superlattices show very strong intrinsic piezoelectric fields due to the high piezoelectric constants in combination with a large lattice mismatch of 3.9%. The linear as well as the nonlinear optical properties are formed by these fields, which dominate the band structure. We report on the excitation-density-dependent luminescence and absorption of these superlattices grown by hot-wall beam epitaxy and compare the experimental results with a theory including both the electrostatic screening and the band-gap renormalization. © 1995 The American Physical Society.

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页码：9922 / 9929

页数：8

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