Abstract
A theoretical computation of vibrational anharmonicity is presented which is a generalization of the simple Gruneisen approach. The calculation was based on a model that defines a simple relationship between the binding energy of a solid and the variation of vibration frequencies with volume. The agreement between calculated and experimental Gruneisen constants is good.
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References
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Girifalco, L.A., Kniaz, K. Anharmonicity in metals from the universal energy equation. Journal of Materials Research 12, 311–313 (1997). https://doi.org/10.1557/JMR.1997.0042
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DOI: https://doi.org/10.1557/JMR.1997.0042