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Phonons as probes in self-organized SiGe islands

 

作者: J. Groenen,   R. Carles,   S. Christiansen,   M. Albrecht,   W. Dorsch,   H. P. Strunk,   H. Wawra,   G. Wagner,  

 

期刊: Applied Physics Letters  （AIP Available online 1997）
卷期: Volume 71, issue 26  

页码: 3856-3858

 

ISSN:0003-6951

 

年代: 1997

 

DOI:10.1063/1.120525

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We show how optical phonons can be used as efficient probes in self-organizedSi1−xGexislands grown on Si(001). Both the alloy composition and residual strain in the islands were originally determined from the phonon frequencies and Raman intensities. The experimental results are in good agreement with the strain relaxation simulated by means of the finite element method. ©1997 American Institute of Physics.

 

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