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n‐pjunction ir detectors made by proton bombardment of epitaxial PbTe

 

作者: E.M. Logothetis,   H. Holloway,   A.J. Varga,   W.J. Johnson,  

 

期刊: Applied Physics Letters  （AIP Available online 1972）
卷期: Volume 21, issue 9  

页码: 411-413

 

ISSN:0003-6951

 

年代: 1972

 

DOI:10.1063/1.1654434

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Proton bombardment has been used to maken‐pjunction ir detectors from epitaxial PbTe films on BaF2substrates. When cooled at 77°K, these detectors are background limited atf/0.8; further reduction of the field of view gives Johnson‐noise‐limited peak detectivities of 6×1011cm Hz1/2W−1atf/20. The peak quantum efficiencies are 0.40–0.47.

 

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