Properties of the HgCdTe films

Fei-Fei Wu; Wenzhen Song; Runqing Jiang; Jingxuan Yan; Zhaopeng Liu

doi:10.1117/12.189228

7 October 1994 Properties of the HgCdTe films

Fei-Fei Wu, Wenzhen Song, Runqing Jiang, Jingxuan Yan, Zhaopeng Liu

Proceedings Volume 2274, Infrared Detectors: State of the Art II; (1994) https://doi.org/10.1117/12.189228
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

The HgCdTe films had been made by vacuum evaporation. If the substrate temperature is about at 100 degree(s)C, the size of the crystallite of the HgCdTe films is about 0.1 micrometers , the size decrease with the substrate temperature decreasing in the range down to about 50 degree(s)C. We had been measured the optical and electrical properties of HgCdTe films, the conductivity is about (0.1 - 1) (Omega) ^-1(DOT)cm^-1 at 300 degree(s)C for polycrystal samples, and the conductivity decrease with the temperature decreasing, the optical gap for one typical sample is about 0.8 eV calculated from the optical absorption edge, the refraction and attenuation index are measured by ellipsometry and the dispersion curves are obtained.

Citation Download Citation

Fei-Fei Wu, Wenzhen Song, Runqing Jiang, Jingxuan Yan, and Zhaopeng Liu "Properties of the HgCdTe films", Proc. SPIE 2274, Infrared Detectors: State of the Art II, (7 October 1994); https://doi.org/10.1117/12.189228

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