Stripes, clusters, and nonequilibrium ordering for bidisperse colloids with repulsive interactions.

Abstract

We show that two-dimensional bidisperse assemblies of colloids with strictly repulsive interactions exhibit stripe, cluster, and partially crystallized states when driven over a quenched random substrate. The nonequilibrium states on a substrate are significantly more ordered than equilibrium states both with and without substrates. A minimum substrate… (More)

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