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

被引：0
|
作者：
L. E. Shelimova
O. G. Karpinskii
M. A. Kretova
V. I. Kosyakov
V. A. Shestakov
V. S. Zemskov
F. A. Kuznetsov
机构：
[1] Russian Academy of Sciences,Baikov Institute of Metallurgy and Materials Research
[2] Siberian Division,Institute of Inorganic Chemistry
[3] Russian Academy of Sciences,undefined
来源：
Inorganic Materials | 2000年 / 36卷
关键词：
GeTe; Homologous Series; Bismuth Telluride; Octahedral Interstice; Bismuth Selenide;
D O I：
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摘要：
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.\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document} $$R\bar 3m$$ \end{document}) 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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页码：768 / 775
页数：7
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