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Thermal Properties of Extrapure Glasses of the Ga15Ge10Te75–xIx System

  • 期刊论文

  • 发表日期：

    2024年8月1日

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  • D. O. Patrushev,
  • A. M. Kut’in,
  • A. D. Plekhovich,
  • K. V. Balueva,
  • A. P. Velmuzhov,
  • E. A. Tyurina,
  • I. I. Evdokimov,
  • A. E. Kurganova

摘要

Abstract—

We have prepared extrapure Ga15Ge10Te75–xIx (x = 0–6 at %) glasses with a concentration of 31 impurity elements no higher than 0.2 ppm and studied the effect of iodine on the characteristic temperatures, crystallization resistance, thermal expansion, and density of the glasses. The results have been interpreted in terms of the structural connectivity approach. A technique has been proposed for dynamic dilatometry data processing with the aim of determining the linear thermal expansion coefficient (LTEC) as a function of temperature. The LTEC of the Ga15Ge10Te75–xIx glasses has been determined as a function of temperature in the range from 293 to 412 K.