Qualitative Temperature and Volume Dependence of the Thermal Expansion Coefficient of Solids
- 15 December 1968
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 176 (3) , 827-829
- https://doi.org/10.1103/physrev.176.827
Abstract
A thermodynamic expression is derived whereby the measured zero-pressure thermal expansion coefficient may be corrected to a fixed-volume condition for all temperatures. Experimental data so corrected show that the expansion coefficient at fixed volume is nearly constant for temperatures above the Debye temperature. This behavior is in qualitative agreement with the results of lattice-dynamics calculations.Keywords
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