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Molecular beam epitaxy of diluted magnetic semiconductor (Cd1−xMnxTe) superlattices

 

作者: L. A. Kolodziejski,   T. C. Bonsett,   R. L. Gunshor,   S. Datta,   R. B. Bylsma,   W. M. Becker,   N. Otsuka,  

 

期刊: Applied Physics Letters  (AIP Available online 1984)
卷期: Volume 45, issue 4  

页码: 440-442

 

ISSN:0003-6951

 

年代: 1984

 

DOI:10.1063/1.95223

 

出版商: AIP

 

数据来源: AIP

 

摘要:

In this letter we report the first growth of diluted magnetic semiconductor superlattices. Bright and dark field transmission electron microscopy images confirm that the superlattices consist of distinct periodic layers of uniform composition and thickness. The photoluminescence spectra of the superlattices are found to be over three orders of magnitude more intense when compared to uniform thin films (and bulk samples) grown under similar conditions. The reason for this large increase is not clearly understood but this effect may have important consequences for future applications of these novel materials in optoelectronic devices.

 

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