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Title: Defects of non-stoichiometry and dynamic stability of SnTe crystal lattice
Authors: Rogacheva, E. I.
Sinelnik, N. A.
Nashchekina, O. N.
Popov, V. P.
Lobkovskaya, T. A.
Issue Date: 1993
Citation: Defects of non-stoichiometry and dynamic stability of SnTe crystal lattice [Electronic resource] / E. I. Rogacheva [et al.] // Acta Physica Polonica. – 1993. – Vol. 84, № 4. – Proceedings of the 22nd International School on Physics of Semiconducting Compounds, Jaszowiec, Poland, May 22-28, 1993. Pt. 2 / ed. A. Suchocki. – Electronic text data. – Warsaw, 1993. – P. 733-736. – URL:, free (accessed 08.04.2021).
Abstract: The temperature dependencies of coefficient of linear expansion α in the range of 4.2-300 K were obtained for SnTe samples with various degrees of deviation from stoichiometry. For the sample of stoichiometric composition in the α vs. temperature curves the anomalies connected with ferroelectric phase transition were detected. It was found that within cubic phase existence region α isotherms have a minimum at 50.4 at.% Te. Maximum dynamic stability at indicated composition is believed to be associated with the formation of vacancy superstructure.
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Кафедра "Фізика"

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