Molecular dynamics study of phase separation kinetics in thin films

Das, Subir K. ; Puri, Sanjay ; Horbach, Jürgen ; Binder, K. (2006) Molecular dynamics study of phase separation kinetics in thin films Physical Review Letters, 96 (1). 016107_1-016107_4. ISSN 0031-9007

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Official URL: http://prl.aps.org/abstract/PRL/v96/i1/e016107

Related URL: http://dx.doi.org/10.1103/PhysRevLett.96.016107

Abstract

We use molecular dynamics to simulate experiments where a symmetric binary fluid mixture (AB), confined between walls that preferentially attract one component (A), is quenched from the one-phase region into the miscibility gap. Surface enrichment occurs during the early stages, yielding a B-rich mixture in the film center with well-defined A-rich droplets. The droplet size grows with time as l(t)∝t2/3 after a transient regime. The present atomistic model is also compared to mesoscopic coarse-grained models for this problem.

Item Type:Article
Source:Copyright of this article belongs to The American Physical Society.
ID Code:36363
Deposited On:25 Apr 2011 07:23
Last Modified:25 Apr 2011 07:23

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