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The relationship between resistivity and temperature for Hg 1-xCdxTe photoconductive detectors

  • Yongsheng Gui*
  • , G. Z. Zheng
  • , X. C. Zhang
  • , S. L. Guo
  • , J. H. Chu
  • , Yi Cai
  • *此作品的通讯作者
  • CAS - Shanghai Institute of Technical Physics
  • Kunming Institute of Physics

科研成果: 期刊稿件会议文章同行评审

摘要

Two kinds of two dimensional electrons in same surface have been found in Hg1-xCdxTe (x=0.214) photoconductive detectors from studies of the shubnikov-de Haas (SdH) oscillation. It has been found that the number of electrons in each kind is about constant from 1.5K to 55K by SdH measurements. A model considered two kinds of surface electrons is proposed to fit the temperature dependence of the resistivity. The electrical parameters obtained by this model agree well with the experiment and the results given by SdH measurements. This paper offers a simple and effective model to investigate the bulk and surface electrical properties for a two-terminal device.

源语言英语
页(从-至)391-394
页数4
期刊Proceedings of SPIE - The International Society for Optical Engineering
3175
DOI
出版状态已出版 - 1998
已对外发布
活动3rd International Conference on Thin Film Physics and Applications - Shanghai, 中国
期限: 15 4月 199715 4月 1997

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