Abstract
A qualitatively more correct result for the anharmonic part of the free energy and the negative expansion coefficient is obtained on the basis of a more exact expression for the free energy of a crystal.
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References
S. I. Novikova, Izmer. Tekh., No. 9, 45 (1986).
L. D. Landau and E. M. Lifshitz, Elasticity Theory, 2nd. ed. Pergamon Press, Oxford (1970).
Additional information
Translated from Izmeritel'naya Tekhnika, No. 12, pp. 37–38, December, 1993.
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Novikova, S.I. Comments on the article “anomalies of thermodynamic potentials and their derivatives for substances with a negative expansion coefficient”. Meas Tech 36, 1370–1371 (1993). https://doi.org/10.1007/BF00978265
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DOI: https://doi.org/10.1007/BF00978265