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Thermodynamic properties of the fluid, fcc, and bcc phases of monodisperse charge-stabilized colloidal suspensions within the Yukawa model

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Fernández Tejero, Carlos and Lutsko, J. F. and Colot, J. L. and Baus, Marc (1992) Thermodynamic properties of the fluid, fcc, and bcc phases of monodisperse charge-stabilized colloidal suspensions within the Yukawa model. Physical Review A , 46 (6). pp. 3373-3379. ISSN 1050-2947

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Official URL: http://dx.doi.org/10.1103/PhysRevA.46.3373


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Abstract

The thermodynamic properties of the Yukawa model for colloidal suspensions are determined theoretically from the Rogers-Young integral equation for the fluid phase and from a recently introduced van der Waals-like theory for the solid phases. Very good agreement with the Monte Carlo simulations of Meijer and Frenkel [J. Chem. Phys. 94, 2269 (1991)] is found for both the fluid and the (fcc-bcc) solid phases. The location of the two-phase coexistences, however, is shown to involve such small free-energy and density changes that no definite statements about the phase diagram are possible within the present accuracy.


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Additional Information:

© 1992 The American Physical Society. We thank E. J. Meijer for sending us his unpublished simulation data. C. F. T. wishes to thank the Dirección General de Investigatión Científica y Técnica (Spain) (PB88-0140) for the financial support. M. B. acknowledges financial support from the Fonds National de la Recherche Scientifique.

Uncontrolled Keywords:Density-Functional Theories, Perturbation-Theory, Integral-Equations, Simple Liquids, Soft Spheres, Systems, Consistent
Subjects:Sciences > Physics > Thermodynamics
ID Code:23948
Deposited On:17 Dec 2013 08:40
Last Modified:17 Dec 2013 08:40

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