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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 >Influence of Cu addition in the crystallization of the superionic glass (Ge25Se75)(75)Ag-25
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Influence of Cu addition in the crystallization of the superionic glass (Ge25Se75)(75)Ag-25

机译：添加铜对超离子玻璃（Ge25Se75）（75）Ag-25结晶的影响

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摘要

Amorphous samples of compositions (Ge25Se75)(0.75)(Ag100-xCux)(0.25) With x = 10, 20 and 30 at.% were obtained from the liquid state employing the melt-quenching technique. A decrease of the glass forming ability due to the addition of Cu is reported. The quenched samples and the crystallization products have been characterized by X-ray diffraction with CuKalpha radiation. The primary crystallization of the ternary phase Ag8GeSe6 was observed. The solid solubility of Cu in this phase is supposed. The crystallization kinetics of the samples were studied under continuous heating calorimetric regime by means of differential scanning calorimetry. The glass and crystallization temperatures, the activation energy and the crystallization enthalpy are reported. The dependence of these properties on the concentration of Cu and the influence of Cu on the Ag8GeSe6 Crystallization kinetics is analyzed. (C) 2002 Elsevier Science B.V. All rights reserved. [References: 26]
机译：使用熔融淬火技术从液态获得x ＝ 10、20和30原子％的组成（Ge25Se75）（0.75）（Ag100-xCux）（0.25）的非晶态样品。据报道，由于添加了Cu，导致玻璃形成能力降低。淬灭的样品和结晶产物已通过CuKalpha辐射的X射线衍射进行了表征。观察到三元相Ag8GeSe6的初晶。推测该相中Cu的固溶性。通过差示扫描量热法在连续加热量热法下研究了样品的结晶动力学。报告了玻璃和结晶温度，活化能和结晶焓。分析了这些性质对铜浓度的依赖性以及铜对Ag8GeSe6结晶动力学的影响。 （C）2002 Elsevier Science B.V.保留所有权利。 [参考：26]

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