Scaling Behavior between Heat Capacity and Thermal Expansion in Solids

doi:10.1088/0256-307X/38/2/026501

Chin. Phys. Lett.

2021, Vol. 38

Issue (2): 026501 DOI: 10.1088/0256-307X/38/2/026501

CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES

Scaling Behavior between Heat Capacity and Thermal Expansion in Solids

Meibo Tang^*, Xiuhong Pan , Minghui Zhang , and Haiqin Wen

Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China

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Meibo Tang, Xiuhong Pan , Minghui Zhang et al 2021 Chin. Phys. Lett. 38 026501

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Abstract We experimentally analyze the heat capacity and thermal expansion of reference solids in a wide temperature range from several Kelvin to melting temperature, and establish a universal double-linear relation between the experimental heat capacity $C_{\rm p}$ and thermal expansion $\beta$, which is different from the previous models. The universal behavior between heat capacity and thermal expansion is important to predict the thermodynamic parameters at constant pressure, and is helpful for understanding the nature of thermal properties in solids.

Received: 02 October 2020 Published: 27 January 2021

PACS:	65.43.-b
	65.40.Ba	(Heat capacity)
	65.40.De	(Thermal expansion; thermomechanical effects)

Fund: Supported by the National Natural Science Foundation of China (Grant No. 51001113).

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https://cpl.iphy.ac.cn/10.1088/0256-307X/38/2/026501 OR https://cpl.iphy.ac.cn/Y2021/V38/I2/026501

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	Meibo Tang
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