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|Title:||Free-volume theory of the Grűneisen parameter at extreme compression|
Singh, P K
|Keywords:||Higher-order Grűneisen parameters;Extreme compression;Free-volume theory;Pressure derivatives of bulk modulus|
|Abstract:||An analysis of the Grűneisen parameter and its volume derivatives has been presented using the generalized free-volume theory for materials at extreme compression. It has been re-established using a direct and simple method that the Slater’s formula for the Grűneisen parameter has the status of an identity at infinite pressure as found earlier by Stacey and Davis (Phys Earth Planet Inter, 142 (2004) 137). The expressions based on the free-volume theory extrapolated to infinite pressure are found to be in agreement with the corresponding expressions for higher-order Grűneisen parameters obtained recently by Shanker et al. (Physica B, 404 (2009) 4083).|
|ISSN:||0975-1041 (Online); 0019-5596 (Print)|
|Appears in Collections:||IJPAP Vol.50(12) [December 2012]|
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