Thermal expansion of fluorites at high temperatures

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, , Citation R B Roberts and G K White 1986 J. Phys. C: Solid State Phys. 19 7167 DOI 10.1088/0022-3719/19/36/008

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1 CSIRO Div. of Appl. Phys., Sydney, NSW, Australia

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Abstract

The linear thermal expansions of CaF2, BaF2, SrF2, PbF2 and SrCl2 have been measured from room temperature up to their melting points. The linear coefficient alpha exhibits a Schottky-like bump similar to that observed previously for the heat capacity, Cp, and associated with fast-ion conduction in these fluorite-structure materials. Values for the Gruneisen parameter gamma (T) are included.

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