Hydrodynamic Crossovers in Surface-Directed Spinodal Decomposition and Surface Enrichment

Details Hydrodynamic Crossovers in Surface-Directed Spinodal Decomposition and Surface Enrichment Hydrodynamic Crossovers in Surface-Directed Spinodal Decomposition and Surface Enrichment

2010-11-29

arxiv.org/abs/1011.6297v1

Physics

Condensed Matter

Soft Condensed Matter

14 pages, 4 figures

Scientific paper

We present comprehensive molecular dynamics (MD) results for the kinetics of surface-directed spinodal decomposition (SDSD) and surface enrichment (SE) in binary mixtures at wetting surfaces. We study the surface morphology and the growth dynamics of the wetting and enrichment layers. The growth law for the thickness of these layers shows a crossover from a diffusive regime to a hydrodynamic regime. We provide phenomenological arguments to understand this crossover.

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