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Biaxial splitting of optical phonon modes in ZnSe‐ZnS strained‐layer superlattices

 

作者: Aishi Yamamoto,   Yoichi Yamada,   Yasuaki Masumoto,  

 

期刊: Applied Physics Letters  （AIP Available online 1991）
卷期: Volume 58, issue 19  

页码: 2135-2137

 

ISSN:0003-6951

 

年代: 1991

 

DOI:10.1063/1.104984

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Raman scattering studies were performed on ZnSe‐ZnS strained‐layer superlattices with the incident light parallel as well as perpendicular to the interface plane. We found for the first time that the optical phonon modes split into two types, that is a singlet and a doublet, by the built‐in biaxial stress. A new method to characterize the directional stress is demonstrated.

 

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