Investigation of the optical properties of In2Se3xTe3(1−x) single crystals |
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Authors: | V. P. Mushinskii V. I. Kobolev |
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Affiliation: | (1) V. I. Lenin Kishinev State University, USSR |
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Abstract: | In [1] it was shown that when In2Te3 interacts with In2Se3 in samples which are mainly indium telluride, substitutional solid solutions having the zinc blende structure are formed in the concentration range 0–40 mol.% In2Se3 (0 x 0.4). The solubility of the low temperature hexagonal modification -In2Se3 did not exceed 2 mol.%; formation of solid solutions having the medium temperature hexagonal modification of -In2Se3 was observed for the interval 0.9 x 0.95. These published data [2, 3] are concerned with electrical properties of the crystals. In this paper the results of an investigation of the optical properties of In2Se3xTe3(1–x) single crystals for temperatures between 300 and 77°K are presented. Crystals suitable for optical measurements were obtained by a modified Bridgman method, which included vibarational mixing. All the samples were n-type. The resistivity varied from 106 to 104 ohm · cm in the course of the transition from -In2Te3 to the solid solutions (0 x 0.4).Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 5, pp. 65–68, May, 1972. |
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