Abstract

Optical transmission, photoluminescence, and X-ray diffraction have been used for studying structural disorder in Hg1-xCdxTe (x=0.3–0.4) films grown by Molecular-Beam Epitaxy on GaAs and Si substrates. According to all three methods, studied films immediately after the growth showed quite different scale of the disorder. After thermal annealing films showed similar optical properties, yet their structural properties remained different. It appears that the ability of Hg1-xCdxTe to gain good optical quality under annealing for considerably disordered initial material is not directly structure-related.

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