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Saturation of far‐infrared photoconductivity inn‐GaAs

 

作者: Fielding Brown,   Lee Link,   Stephen Platt,  

 

期刊: Journal of Applied Physics  (AIP Available online 1982)
卷期: Volume 53, issue 6  

页码: 4538-4540

 

ISSN:0021-8979

 

年代: 1982

 

DOI:10.1063/1.331199

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The photoconductivity of epitaxialn‐GaAs (n= 2.6×1014cm−3) has been measured in response to high intensity (P∼2.4 kW/cm2) radiation at &lgr; = 95 &mgr;m. The saturation curve of photoconductivity versus excitation power yields a recombination time of 10−8s, which is much shorter than the value predicted, 10−6s, by the theory of the electron‐phonon interaction. Recombination appears to occur from localized states as well as by capture of free conduction band electrons.

 

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