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IF 0.7 4区化学 Q4 CHEMISTRY, PHYSICAL

Russian Journal of Physical Chemistry A Pub Date : 2025-02-11 DOI:10.1134/S0036024424703072

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

引用次数: 0

摘要

通过弛豫、绝热和差示扫描量热法测量了单相钐镁六铝酸盐 SmMgAl11O19 在 2-1864 K 区域的热容量。显示了在低温和高温领域使用 Neumann-Kopp 规则评估热容量和熵可能存在的误差。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Heat Capacity and Thermodynamic Functions of SmMgAl11O19

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Heat Capacity and Thermodynamic Functions of SmMgAl11O19

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.

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来源期刊

Russian Journal of Physical Chemistry A 化学-物理化学

CiteScore

1.20

自引率

14.30%

发文量

376

审稿时长

5.1 months

期刊介绍： Russian Journal of Physical Chemistry A. Focus on Chemistry (Zhurnal Fizicheskoi Khimii), founded in 1930, offers a comprehensive review of theoretical and experimental research from the Russian Academy of Sciences, leading research and academic centers from Russia and from all over the world. Articles are devoted to chemical thermodynamics and thermochemistry, biophysical chemistry, photochemistry and magnetochemistry, materials structure, quantum chemistry, physical chemistry of nanomaterials and solutions, surface phenomena and adsorption, and methods and techniques of physicochemical studies.