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Abstract <p>The heat capacity of ultra-pure glasses of the (GeTe<sub>3.76</sub>)<InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(_{{100 - x}}\)</EquationSource> <!--PhysChA2570300Patrushev-m1--> </InlineEquation>(AgI)<sub><i>x</i></sub> system is studied via differential scanning calorimetry in the 330–480 K range of temperatures at <i>x</i> = 10–50 mol&#xa0;%. Hydrostatic weighing shows the density of samples rises from 5.475 to 5.693&#xa0;± 0.005 g/cm<sup>3</sup> as the content of silver iodide grows. Results from a dilatometric study are used to determine the coefficient of thermal linear expansion in the 295 to 385 K range of temperatures. Consistent standard caloric and volumetric functions are calculated in the 0 to 450 K range of temperatures. A way of predicting these functions for intermediate unexplored glass compositions based on parametric similarity is proposed within the context of the theory.</p>

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Thermodynamic Properties of Glasses of the (GeTe3.76)1–x(AgI)x System in the 295–480 K Range of Temperatures

  • 期刊论文

  • 发表日期：

    2026年1月1日

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  • D. O. Patrushev,
  • A. M. Kutyin,
  • A. D. Plekhovich,
  • K. V. Balueva,
  • E. A. Tyurina,
  • A. P. Velmuzhov

摘要

Abstract

The heat capacity of ultra-pure glasses of the (GeTe3.76) \(_{{100 - x}}\) (AgI)x system is studied via differential scanning calorimetry in the 330–480 K range of temperatures at x = 10–50 mol %. Hydrostatic weighing shows the density of samples rises from 5.475 to 5.693 ± 0.005 g/cm3 as the content of silver iodide grows. Results from a dilatometric study are used to determine the coefficient of thermal linear expansion in the 295 to 385 K range of temperatures. Consistent standard caloric and volumetric functions are calculated in the 0 to 450 K range of temperatures. A way of predicting these functions for intermediate unexplored glass compositions based on parametric similarity is proposed within the context of the theory.