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IJPAP Vol.50(12) [December 2012] >


Title: Free-volume theory of the Grűneisen parameter at extreme compression
Authors: Shanker, J
Anand, K
Singh, P K
Keywords: Higher-order Grűneisen parameters
Extreme compression
Free-volume theory
Pressure derivatives of bulk modulus
Issue Date: Dec-2012
Publisher: NISCAIR-CSIR, India
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).
Page(s): 918-921
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.50(12) [December 2012]

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