Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2009-01-27
Physics
Condensed Matter
Soft Condensed Matter
13 pages, 5 figures, submitted
Scientific paper
10.1209/0295-5075/85/56004
The generation of nanoscale square and stripe patterns is of major technological importance since they are compatible with industry-standard electronic circuitry. Recently, a blend of diblock copolymer interacting via hydrogen-bonding was shown to self-assemble in square arrays. Motivated by those experiments we study, using Monte Carlo simulations, the pattern formation in a two-dimensional binary mixture of colloidal particles interacting via isotropic core-corona potentials. We find a rich variety of patterns that can be grouped mainly in aggregates that self-assemble in regular square lattices or in alternate strips. Other morphologies observed include colloidal corrals that are potentially useful as surface templating agents. This work shows the unexpected versatility of this simple model to produce a variety of patterns with high technological potential.
Batta Erasmo
Mendoza Carlos I.
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