The Influence Of Dislocation Scattering On N-Type Hg[sub]1-x[/sub]Cd[sub]x[/sub]Te Mobility

Xu Xiaomin; Hu Xierong; Shen Jie

doi:10.1117/12.960669

11 October 1989 The Influence Of Dislocation Scattering On N-Type Hg_1-xCd_xTe Mobility

Xu Xiaomin, Hu Xierong, Shen Jie

Proceedings Volume 1107, Infrared Detectors, Focal Plane Arrays, and Imaging Sensors; (1989) https://doi.org/10.1117/12.960669
Event: SPIE 1989 Technical Symposium on Aerospace Sensing, 1989, Orlando, FL, United States

Abstract

The electronic mobility is an important parameter to express HgCdTe characters. The performance of photoconductive detectors, photovoltaic detectors and sprite detectors are all concerned with it. In our work, besides ionized impurity scattering, polar-optical scattering, acoustic deformation potential scattering and piezoelectric scattering, we also consider the dislocation scattering and give the result in accord with experiment. It shows that dislocation scattering is one of the important factors to influence HgCdTe electronic mobility. In our work, we also give a kind of amendment formula of ionized density. In addition, we also discuss the relationships between mobility and temperature and dislocation density. The result shows that, in the region 40K and 100K, the influence of dislocation is important and can not be neglected.

Citation Download Citation

Xu Xiaomin, Hu Xierong, and Shen Jie "The Influence Of Dislocation Scattering On N-Type Hg_1-xCd_xTe Mobility", Proc. SPIE 1107, Infrared Detectors, Focal Plane Arrays, and Imaging Sensors, (11 October 1989); https://doi.org/10.1117/12.960669

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