Elastic behaviour under pressure of the cluster compound (Ag6Ge4P12)Ge6

MacDonald, John Emyr ORCID: https://orcid.org/0000-0001-5504-1692, Saunders, G. A., Yoḡurtçu, Y. K. and Hönle, W. 1985. Elastic behaviour under pressure of the cluster compound (Ag6Ge4P12)Ge6. Journal of Physics and Chemistry of Solids 46 (8) , pp. 951-956. 10.1016/0022-3697(85)90098-8

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Abstract

The elastic stiffness constants of the cluster compound (Ag6Ge4P12)Ge6 have been measured by the ultrasonic pulse-echo overlap technique and are found to conform quite closely with those of zincblende structure compounds. The hydrostatic pressure dependences of the elastic constants and also the third-order elastic constants have been measured. It is found that, unlike the zincblende structure compounds, this compound does not show any tendency towards shear mode softening under pressure, all the long wavelength acoustic mode Grüneisen gammas being positive.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Publisher:	Elsevier
ISSN:	0022-3697
Last Modified:	24 Oct 2022 10:53
URI:	https://orca.cardiff.ac.uk/id/eprint/46297

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