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Anharmonicity in metals from the universal energy equation

Published online by Cambridge University Press:  31 January 2011

L. A. Girifalco  and
K. Kniaz
L. A. Girifalco
Affiliation:
Department of Materials Science and Engineering and Laboratory for Research on the Structure of Matter, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6272
K. Kniaz
Affiliation:
Department of Materials Science and Engineering and Laboratory for Research on the Structure of Matter, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6272
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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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Type
Articles
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Journal of Materials Research , Volume 12 , Issue 2 , February 1997 , pp. 311 - 313
Copyright
Copyright © Materials Research Society 1997

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References

REFERENCES

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