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Issue 22, 2009
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Nematic braids: 2D entangled nematic liquid crystal colloids

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Abstract

Assembly of several entangled clusters and 2D colloidal crystals is demonstrated in nematic solvents using numerical modeling based on Landau–de Gennes free energy. Micron-sized particles that build novel topological objects are bound by delocalized disclination loops of various conformations. The metastable defect conformations are accessed via numerical temperature quenching from the isotropic to nematic phase. Equilibration of entangled structures with respect to liquid crystalline and particles' degrees of freedom is demonstrated. Finally, possible experimental approaches towards periodic entangled colloidal crystals are briefly addressed.

Graphical abstract: Nematic braids: 2D entangled nematic liquid crystal colloids

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Article information


Submitted
01 Jul 2009
Accepted
25 Aug 2009
First published
17 Sep 2009

Soft Matter, 2009,5, 4520-4525
Article type
Paper

Nematic braids: 2D entangled nematic liquid crystal colloids

M. Ravnik and S. Žumer, Soft Matter, 2009, 5, 4520 DOI: 10.1039/B913065A

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