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Temperature dependence of band gaps in Si and Ge in the quasi‐ion model

 

作者: M. Klenner,   C. Falter,   W. Ludwig,  

 

期刊: Annalen der Physik  （WILEY Available online 1992）
卷期: Volume 504, issue 1  

页码: 34-38

 

ISSN:0003-3804

 

年代: 1992

 

DOI:10.1002/andp.19925040107

 

出版商: WILEY‐VCH Verlag

 

关键词: Electron‐phonon interaction;Density response;Phonons‐lattice dynamics

 

数据来源: WILEY

 

摘要:

AbstractWe have calculated the temperature dependence of the direct and indirect band gaps in silicon and germanium. The electron‐phonon potential as well as the phonon frequencies and eigenvectors are calculated consistently within the rigid quasi‐ion model. Comparison is made with experiment and with the theoretical results of Allen and Cardona and Lautenschlager et

 

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