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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Glassy state and structure of Sn-Sb-Se chalcogenide alloy
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Glassy state and structure of Sn-Sb-Se chalcogenide alloy

机译：Sn-Sb-Se硫族化物合金的玻璃态和结构

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摘要

The effect of Sn addition on the glass transition and structure of c-Sb20Se80 chalcogenide alloy have been studied by X-ray diffraction and differential scanning calorimetric studies. The increase in the glass forming region and the glass transition temperature with the addition of Sn is discussed by considering the formation of [SnSe4] tetrahedra, another type of network former, which inhibits the crystallization. The differential scanning calorimetric studies on SnxSb20Se80-x (8 <= x <= 18) glassy samples reveal a single glass transition temperature for all values of x while a single crystallization peak was obtained only for 10 <= x <= 12. The X-ray diffraction studies reveal that the glass crystallizes to Sb2Se3 and SnSe2 phases upon annealing. The glass formation and composition dependence of glass transition temperature in the Sn-Sb-Se chalcogenide alloy could be understood by considering the topological phase transitions and a chemically ordered network model. (c) 2006 Elsevier B.V. All rights reserved.
机译：通过X射线衍射和差示扫描量热法研究了添加锡对c-Sb20Se80硫属化物合金的玻璃化转变和结构的影响。通过考虑[SnSe4]四面体（一种抑制结晶的网络形成剂）的形成，讨论了添加锡的情况下玻璃形成区域和玻璃化转变温度的增加。对SnxSb20Se80-x（8 <= x <= 18）玻璃态样品的差示扫描量热研究显示，所有x值的玻璃化转变温度均为单一，而仅10 <= x <= 12的结晶峰为单一。射线衍射研究表明，退火后玻璃结晶为Sb2Se3和SnSe2相。通过考虑拓扑相变和化学有序网络模型可以了解Sn-Sb-Se硫族化物合金中玻璃的形成和玻璃化转变温度的成分依赖性。 （c）2006 Elsevier B.V.保留所有权利。

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