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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 >Role of additive (Zn) incorporation on the glass/crystal thermodynamics and stability of Se_(80 - X)Te_(20)Zn_x (x = 2, 4, 6, 8 and 10) glassy alloys
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Role of additive (Zn) incorporation on the glass/crystal thermodynamics and stability of Se_(80 - X)Te_(20)Zn_x (x = 2, 4, 6, 8 and 10) glassy alloys

机译：添加剂（Zn）的作用（Zn）掺入玻璃/晶体热力学和SE_（80-x）TE_（20）Zn_x（x = 2,4,6,8和10）玻璃合金的稳定性

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摘要

Different thermodynamic parameters (quantities) of Se _(80 -)xTe_(20)Zn_x (x = 2, 4, 6, 8 and 10) glasses have been obtained from the phase transformation studies using Differential Scanning Calorimetry (DSC) under non-isothermal condition at five different heating rates (10-50 K/min). Specific heat measurements have been made to see the effect of Zn additive in Se-Te-Zn glasses which have further been utilized to evaluate various thermodynamic quantities such as entropy difference (ΔS), enthalpy difference (ΔH) and Gibbs free energy difference (ΔG) between the undercooled melt and the corresponding equilibrium solid phases as a function of temperature. The data obtained from different thermodynamic quantities have been used to determine the stability of these glasses. It has been found that the stability of the samples increases with the increase of Zinc (Zn) content in the investigated series of the glassy alloys.
机译：已经从非线性扫描量热法（DSC）下的相变研究已经获得了SE _（80 - ）XTE_（20）Zn_X（X = 2,4,6,8和10）玻璃的不同热力学参数（数量）。 等温条件为五种不同的加热速率（10-50 k / min）。 已经提出了具体的热测量，以便在进一步利用的Se-Te-Zn玻璃中看到Zn添加剂的效果，以评估各种热力学量，例如熵差（Δs），焓差（Δh）和gibbs自由能量差（Δg ）在过冷熔体和相应的平衡固相之间作为温度的函数。 从不同的热力学量获得的数据已经用于确定这些玻璃的稳定性。 已经发现，样品的稳定性随着所研究的玻璃合金中的锌（Zn）含量的增加而增加。

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