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Heat Capacity and Thermodynamic Functions of SmMgAl11O19

  • 期刊论文

  • 发表日期：

    2024年12月1日

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  • P. G. Gagarin,
  • A. V. Guskov,
  • V. N. Guskov,
  • A. V. Khoroshilov,
  • K. S. Gavrichev

摘要

Abstract—

Heat capacity of single-phase samarium-magnesium hexaaluminate SmMgAl11O19 was measured by relaxation, adiabatic and differential scanning calorimetry in the region 2–1864 K. Thermodynamic functions were calculated based on the smoothed values of heat capacity. Possible inaccuracies in the assessment of heat capacity and entropy using the Neumann–Kopp rule in the field of low and high temperatures are shown.