Abstract
Germanium is used as an example for developing a self-consistent thermodynamic approach to the construction of a model of crystal lattice of a nonmetallic nonmagnetic solid. This approach takes into account the effect of anharmonicity of thermally excited phonons. The calculations of temperature dependences of basic thermodynamic functions reveal, for a model substance, very adequate agreement with the available experimental data in a wide temperature range of hundreds of kelvins.
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Translated from Teplofizika Vysokikh Temperatur, Vol. 43, No. 6, 2005, pp. 860–869.
Original Russian Text Copyright © 2005 by V. Yu. Bodryakov, A. A. Povzner, and I. V. Safonov.
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Bodryakov, V.Y., Povzner, A.A. & Safonov, I.V. The Effect of Phonon Anharmonicity on the Thermodynamic Properties of Nonmetallic Solid. High Temp 43, 859–869 (2005). https://doi.org/10.1007/s10740-005-0133-1
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DOI: https://doi.org/10.1007/s10740-005-0133-1