THERMAL EXPANSION OF SOLIDS AND THE TEMPERATURE DEPENDENCE OF LATTICE VIBRATION FREQUENCIES
- 1 October 1964
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Physics
- Vol. 42 (10), 1857-1864
- https://doi.org/10.1139/p64-173
Abstract
It is shown that a close relation exists between the temperature coefficient of lattice vibration frequencies and the thermal expansion coefficient. The basic equations (νi being the frequency of the ith mode of vibration, T the temperature, Ci the Einstein function of frequency νi, γ the Grueneisen parameter, and β the volume thermal expansion coefficient) are derived and discussed for various temperature ranges.Keywords
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