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Identification of residual donors in high‐purity epitaxial GaAs by magnetophotoluminescence

 

作者: S. S. Bose,   B. Lee,   M. H. Kim,   G. E. Stillman,  

 

期刊: Applied Physics Letters  (AIP Available online 1987)
卷期: Volume 51, issue 12  

页码: 937-939

 

ISSN:0003-6951

 

年代: 1987

 

DOI:10.1063/1.98807

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The magnetophotoluminescence peaks in the ‘‘two‐electron’’ satellites of the donor bound exciton transitions corresponding to the shallow donors S, Si, Ge, Sn, and Te have been identified by correlation of photoluminescence measurements with photothermal ionization measurements on the same high‐purity epitaxial GaAs samples. The magnetophotoluminescence measurements were made at 1.7 K and a magnetic field of 9.0 T. These results permit the use of magnetophotoluminescence measurements for the identification of residual donor impurity species in high‐purity GaAs.

 

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