Formation of a nematic monodomain in a model liquid crystal film

MILLS, S. J., CARE, C. M., NEAL, M. P., WILSON, M. R., ALLEN, M. P. and CLEAVER, D. J. (2000). Formation of a nematic monodomain in a model liquid crystal film. Journal of Molecular Liquids, 85 (1-2), 185-195.

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Link to published version:: 10.1016/S0167-7322(99)00176-2

Abstract

We present details of a cooling sequence of computer simulations performed on an unconfined liquid crystal film. The system studied comprised 7104 Gay-Berne particles and formed a liquid film approximately 70 molecular lengths wide. On cooling from the isotropic liquid phase, the film developed into a persistent fluctuating multi-domain state with very long equilibration times. A rapid quench to lower temperatures ultimately resulted in the formation of a nematic monodomain, surface-anchored domains slowly dominating the inherently unpinned islands of nematic at the centre of the film. It is argued that this sequence of events arose due to the system's orientationally disordered liquid-vapour interfaces (i.e. its property of isotropic wetting). (C) 2000 Elsevier Science B.V. All rights reserved.

Item Type: Article
Additional Information: EMLG Conference on Physics of Liquids - Foundations, Highlights, Challenges SEP 11-16, 1998 MURAU, AUSTRIA Sp. Iss. SI
Research Institute, Centre or Group: Materials and Engineering Research Institute > Polymers Nanocomposites and Modelling Research Centre > Materials and Fluid Flow Modelling Group
Identification Number: 10.1016/S0167-7322(99)00176-2
Depositing User: Hilary Ridgway
Date Deposited: 09 Apr 2010 16:00
Last Modified: 29 Sep 2010 10:55
URI: http://shura.shu.ac.uk/id/eprint/1526

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