Grüneisen Parameter of Magnesium Oxide
- 1 January 1966
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 37 (1), 430-432
- https://doi.org/10.1063/1.1707854
Abstract
Experimental data for the thermal expansion of magnesium oxide extending down to 20°K indicate that the Grüneisen parameter γ is about 1.60 at low temperatures and at room temperature. Near to the Debye temperature θ(800° to 1000°K), γ≃1.5. These values agree well with those calculated from the pressure dependences of the elastic moduli.Keywords
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