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Elastic Constants and Its Pressure Derivative of Boron Phosphide Using Higher-Order Perturbation Theory

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Author(s): A.R. Jivani | A.R. Jani

Journal: Journal of Nano- and Electronic Physics
ISSN 2077-6772

Volume: 3;
Issue: 1;
Start page: 240;
Date: 2011;
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Keywords: Pseudopotential Method | Elastic Constants | Pressure Derivative of Elastic Constants

ABSTRACT
The elastic constants, pressure derivative of bulk modulus and pressure derivative of elastic constants are investigated using the higher-order perturbation theory based on pseudopotential formalism and the application of our proposed model potential for Boron Phosphide. The parameter of the potential is derived using zero-pressure equilibrium condition. In the present study, Hartree and Sarkar et al screening functions are used to consider exchange and correlation effect. The good agreement of presently investigated numerical data is found with the available experiment data and other such theoretical values.

Tango Jona
Tangokurs Rapperswil-Jona

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