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Sharp Absorption Edges and Shallow Density of States Tails for Amorphous Germanium

 

作者: Howard K. Rockstad,  

 

期刊: AIP Conference Proceedings  (AIP Available online 1974)
卷期: Volume 20, issue 1  

页码: 18-26

 

ISSN:0094-243X

 

年代: 1974

 

DOI:10.1063/1.2945958

 

出版商: AIP

 

数据来源: AIP

 

摘要:

An interpretation attributing both sharp and shallow optical absorption edges in amorphous Ge to density of states spectra having shallow overlapping tails is discussed. It is suggested that sharp absorption edges near 0.5 to 0.6 eV are related to the occupation function at the Fermi level for a large density of mid‐gap states rather than to a sharp density of states edge.

 

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