Nematic liquid crystals in contact with geometrically and chemically patterned substrates: A Monte Carlo Study

Details Nematic liquid crystals in contact with geometrically and chemically patterned substrates: A Monte Carlo Study Nematic liquid crystals in contact with geometrically and chemically patterned substrates: A Monte Carlo Study

2010-10-15

arxiv.org/abs/1010.3106v1

Physics

Condensed Matter

Soft Condensed Matter

9 pages, 7 figures

Scientific paper

Nematic liquid crystals confined to geometrically as well as chemically patterned substrate on one end and a flat substrate with strong anchoring on the other is studied using non-Boltzmann Monte Carlo methods. We observe significant deviations from the continuum-based predictions of the phase diagram which was studied as a function of tilt angle at the top substrate and thickness of the cell. Onset of biaxiality at larger tilt angles at the top substrate is observed. A phase shift introduced between the geometrical and chemical pattern has significant effect on the director structures in the system.

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