Elastische und thermoelastische Konstanten des rhombischen α-Schwefels
Open Access
- 1 May 1969
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung A
- Vol. 24 (5) , 865
- https://doi.org/10.1515/zna-1969-0531
Abstract
The elastic and thermoelastic constants of α-sulphur are measured by the Schaefer-Bergman method. The magnitude of the elastic constants is slightly higher than in comparable organic molecular crystals. The elastic anisotropy and the anisotropy of thermal expansion obey the Grüneisen relation. The deviations from the Cauchy relations are all negative. This is usually only observed in crystals with covalent binding components or with a highly anharmonic behaviour.Keywords
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