Entropically driven ordering in a binary colloidal suspension near a planar wall.

@article{Trokhymchuk2001EntropicallyDO,
  title={Entropically driven ordering in a binary colloidal suspension near a planar wall.},
  author={A D Trokhymchuk and Douglas Henderson and Alex Nikolov and Darsh T Wasan},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  year={2001},
  volume={64 1 Pt 1},
  pages={012401}
}
The local ordering of a binary hard-sphere mixture with a size ratio 1:10 near a planar wall is investigated by means of integral equation theory. We find that when the bulk volume fraction of the smaller particles is greater than 15%, the larger particles (at a bulk volume fraction of 1% and higher) become highly localized on the wall surface, forming a quasi-two-dimensional surface-localized monolayer. Our results are discussed and compared against computer simulation data with an effective… CONTINUE READING

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