Compositional instability and elemental redistribution in Hg1-xCdxTe induced by low-energy ion bombardment

Huadong Zhang; Yueyuan Xia; Jiaxiong Fang

doi:10.1117/12.409830

15 December 2000 Compositional instability and elemental redistribution in Hg_1-xCd_xTe induced by low-energy ion bombardment

Huadong Zhang, Yueyuan Xia, Jiaxiong Fang

Author Affiliations +

Proceedings Volume 4130, Infrared Technology and Applications XXVI; (2000) https://doi.org/10.1117/12.409830
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

Monte Carlo simulations are used to study the compositional changes in the near surface layer of HG_-xCd_xTe crystal substrate induced by F⁺ and Ar⁺ ion bombardment in the energy range of 0.1 to 5keV. The effects of the crystal structure of the substrate and the total dose used in the bombardment are involved in the simulations. Due to the preferential sputtering for different elements in the substrate and the difference of the displacement energies for these elements, remarkable redistribution of the constituent elements in the material are observed. The possibility of forming p-n junction by using the Hg enrichment layer near the surface as a diffusion source is discussed.

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Huadong Zhang, Yueyuan Xia, and Jiaxiong Fang "Compositional instability and elemental redistribution in Hg_1-xCd_xTe induced by low-energy ion bombardment", Proc. SPIE 4130, Infrared Technology and Applications XXVI, (15 December 2000); https://doi.org/10.1117/12.409830

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