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首页> 外文期刊>Zeitschrift fur Physik, B. Condensed Matter >Effect of topological thresholds on thermal behaviour of germanium telluride glasses containing metallic additive
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Effect of topological thresholds on thermal behaviour of germanium telluride glasses containing metallic additive

机译:拓扑阈值对含金属添加剂的碲化锗玻璃热行为的影响

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摘要

Differential Scanning Calorimetric (DSC) studies on Ag_xGe_(15)Te_(85-x) glasses have been undertaken over a wide range of compositions, to understand the effect of topological thresholds on thermal properties. It is found that the compositional dependence of glass transition temperature (T_g), crystallization temperature (T_c), activation energy for crystallization (ΔE) and thermal stability (ΔT) show anomalies at the rigidity percolation threshold. Unusual variations also observed in different thermal properties at the composition x = 20, clearly establishes the occurrence of chemical threshold in these glasses.
机译:在Ag_xGe_(15)Te_(85-x)玻璃上进行了差示扫描量热(DSC)研究,研究范围广泛,旨在了解拓扑阈值对热性能的影响。发现玻璃化转变温度(T_g),结晶温度(T_c),结晶活化能(ΔE)和热稳定性(ΔT)的组成依赖性在刚性渗透阈值处显示出异常。在x = 20的成分下,在不同的热性质中也观察到异常变化,清楚地确定了这些玻璃中化学阈值的出现。

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