Thermal Grueneisen parameters of CdAl sub 2 O sub 4 , beta -Si sub 3 N sub 4 , and other phenacite-type compounds

The thermal expansion coeffs. of Be sub 2 SiO sub 4 , beta -Si sub 3 N sub 4 , beta -sialon, alpha -LiAlSiO sub 4 , ZnSi sub 2 O sub 4 , CdAl sub 2 O sub 4 , and Zn sub 2 GeO sub 4 phenacites at temps. > or = Debye temp. are analyzed in terms of the thermal Grueneisen parameter gamma . Values of...

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Bibliographic Details
Published in:Journal of applied physics 1982-01, Vol.53 (N-10), p.6817-6822
Main Authors: Slack, Glen A, Huseby, Irvin C
Format: Article
Language:English
Online Access:Get full text
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Summary:The thermal expansion coeffs. of Be sub 2 SiO sub 4 , beta -Si sub 3 N sub 4 , beta -sialon, alpha -LiAlSiO sub 4 , ZnSi sub 2 O sub 4 , CdAl sub 2 O sub 4 , and Zn sub 2 GeO sub 4 phenacites at temps. > or = Debye temp. are analyzed in terms of the thermal Grueneisen parameter gamma . Values of gamma between 0.3 and 0.7 are found. A useful correlation exists between gamma and the avg vol per anion bond W. 54 refs.
ISSN:0021-8979