PMID: 15244596Jul 13, 2004Paper

Computer simulation of a liquid-crystal anchoring transition

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
F Barmes, D J Cleaver

Abstract

We present a study of the effects of confinement on a system of hard Gaussian overlap particles interacting with planar substrates through the hard-needle-wall potential. Using geometrical arguments to calculate the molecular volume absorbed at the substrates, we show that both planar and homeotropic arrangements can be obtained using this model. Monte Carlo simulations are then used to perform a systematic study of the model's behavior as a function of the system density and the hard-needle-wall interaction parameter. As well as showing the homeotropic to planar anchoring transition, the anchoring phase diagrams computed from these simulations indicate regions of bistability. This bistable behavior is examined further through the explicit simulation of field-induced two-way switching between the two arrangements.

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Citations

Dec 15, 2006·The Journal of Chemical Physics·Franz J Vesely
May 27, 2008·The Journal of Chemical Physics·David L Cheung
Dec 27, 2005·The Journal of Chemical Physics·Davide MichelettiClaudio Zannoni
Dec 2, 2011·The Journal of Chemical Physics·Manuel Greschek, Martin Schoen
Feb 25, 2005·The European Physical Journal. E, Soft Matter·T JinD Finotello
Jul 28, 2012·International Journal of Molecular Sciences·Tillmann StiegerMartin Schoen
Nov 14, 2015·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Andrew DeBenedictisJames H Adler
Feb 17, 2018·Physical Review. E·Roohollah AliabadiSzabolcs Varga
Sep 21, 2005·Journal of Physics. Condensed Matter : an Institute of Physics Journal·M MoradiA Avazpour
May 23, 2007·Soft Matter·Manuel M PiñeiroAndrew O Parry
Dec 12, 2012·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·C Anquetil-DeckT J Atherton
Mar 24, 2005·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·F Barmes, D J Cleaver
Jan 15, 2011·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·C Anquetil-Deck, D J Cleaver
Feb 21, 2006·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·M MoradiA Avazpour
Feb 1, 2008·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·L HarnauA Poniewierski
Sep 9, 2017·Langmuir : the ACS Journal of Surfaces and Colloids·Paul E BrumbyGeorge Jackson

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