Homologous series of layered tetradymite-like compounds in the Sb-Te and GeTe-Sb2Te3 systems期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Homologous series of layered tetradymite-like compounds in the Sb-Te and GeTe-Sb2Te3 systems

Authors:	L. E. Shelimova O. G. Karpinskii M. A. Kretova V. I. Kosyakov V. A. Shestakov V. S. Zemskov F. A. Kuznetsov

Affiliation:	(1) Baikov Institute of Metallurgy and Materials Research, Russian Academy of Sciences, Leninskii pr. 49, 117334 Moscow, Russia;(2) Institute of Inorganic Chemistry, Siberian Division, Russian Academy of Sciences, pr. akademika Lavrent’eva 3, 630090 Novosibirsk, Russia

Abstract:	The structures of layered compounds in thenSb₂ ·mSb₂Te₃ andnGeTe ·mSb₂Te₃ homologous series were studied by x-ray diffraction. GeSb₆Te₁₀ (n = 1,m = 3) was shown to have a 51-layer structure (sp. gr. ) withc = 10.202(1) nm. In the structure of GeSb₆Te₁₀, Sb₂Te₃ five-layer slabs and GeSb₂Te₄ sevenlayer slabs are stacked along thec axis in the ordered sequence -557 557 557-. Crystallographic data for this compound are presented. The specific and common structural features of the layered compounds in thenSb₂ ·mSb₂Te₃ andnGeTe ·mSb₂Te₃ homologous series are discussed.

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