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Crystallization kinetics in new Sb14As29Se52Te5 amorphous glass

机译:新型Sb14As29Se52Te5非晶玻璃的结晶动力学

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Differential scanning calorimetry (DSC) under non-isothermal conditions is used to study the crystallization kinetics of Sb14As29Se52Te5 chalcogenide glass. In addition, two approaches are used to analyze the dependence of glass transition temperature (T-g)on the heating rate (alpha). One is empirical linear relationship between (T-g) and In(alpha). The second approach is the use of straight line ln(T-g(2)/alpha) vs. I/T-g for the evaluation of E the activation energy for glass transition. The phases at which the alloy crystallizes after the thermal treatment have been identified by using X-ray diffraction. The diffractogram of the transformed material shows the presence of some crystallites of As, Te, AsSb, As2Se3, Sb2Se3 and AsSe.5Te.5 in the residual amorphous matrix. (c) 2006 Elsevier Ltd. All rights reserved.
机译:在非等温条件下的差示扫描量热法(DSC)用于研究Sb14As29Se52Te5硫族化物玻璃的结晶动力学。此外,使用两种方法来分析玻璃化转变温度(T-g)对加热速率(α)的依赖性。一种是(T-g)与Inα之间的经验线性关系。第二种方法是使用直线ln(T-g(2)/ alpha)对I / T-g来评估E的玻璃化转变活化能。通过使用X射线衍射已经鉴定出在热处理之后合金结晶的相。转变后的材料的衍射图显示残留非晶基质中存在一些As,Te,AsSb,As2Se3,Sb2Se3和AsSe.5Te.5的微晶。 (c)2006 Elsevier Ltd.保留所有权利。

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