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Surface and Size Effects on the Specific Heat Capacity of Nanoparticles

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Extending the elastic continuum model for fine particles, a theoretical model was proposed to include the different contributions of interior and surface atoms for the specific heat capacity. The effect of size and temperature and the softening of surface atom vibrations were studied, and a dimensionless variable was proposed to characterize the effect of particle size and temperature on the specific heat capacity of nanoparticles. The proposed model was used to fit experimental data for copper oxide nanoparticles.

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Authors and Affiliations

  1. Thermal Engineering Department, Tsinghua University, Beijing, 100084, P. R. China

    Bu-Xuan Wang, Le-Ping Zhou & Xiao-Feng Peng

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  1. Bu-Xuan Wang
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  2. Le-Ping Zhou
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  3. Xiao-Feng Peng
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Correspondence to Bu-Xuan Wang.

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Wang, BX., Zhou, LP. & Peng, XF. Surface and Size Effects on the Specific Heat Capacity of Nanoparticles. Int J Thermophys 27, 139–151 (2006). https://doi.org/10.1007/s10765-006-0022-9

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  • DOI: https://doi.org/10.1007/s10765-006-0022-9

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