Dynamics of surface enrichment. Phenomenology and numerical results above the bulk critical temperature

Puri, Sanjay ; Frisch, H. L. (1993) Dynamics of surface enrichment. Phenomenology and numerical results above the bulk critical temperature The Journal of Chemical Physics, 99 (7). pp. 5560-5570. ISSN 0021-9606

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Official URL: http://jcp.aip.org/resource/1/jcpsa6/v99/i7/p5560_...

Related URL: http://dx.doi.org/ 10.1063/1.465948

Abstract

We present a phenomenological model for the dynamics of binary alloys in contact with a surface which has a preferential attraction for one of the components of the alloy. The bulk system is described by the usual Cahn–Hilliard equation whereas the surface is mimicked by two boundary conditions. We also present numerical results from this model for the case when the system temperature is above the bulk critical temperature. Specific predictions are made which should be verifiable experimentally.

Item Type:Article
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ID Code:33766
Deposited On:25 Apr 2011 06:16
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