Symmetric alignment of the nematic matrix between close penetrable colloidal particles

TEIXEIRA, P. I. C., BARMES, F. and CLEAVER, D. J. (2004). Symmetric alignment of the nematic matrix between close penetrable colloidal particles. Journal of Physics - Condensed Matter, 16 (19), S1969-S1980.

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Link to published version:: 10.1088/0953-8984/16/19/009

Abstract

A simple model is proposed for the liquid crystal matrix surrounding 'soft' colloidal particles whose separation is much smaller than their radii. We use our implementation of the Onsager approximation of density-functional theory (Chrzanowska et al 2001 J. Phys.: Condens. Matter 13 4715) to calculate the structure of a nanometrically thin film of hard Gaussian overlap particles of elongations K = 3 and 5, confined between two solid walls. The penetrability of either substrate can be tuned independently to yield symmetric or hybrid alignment. Comparison with Monte Carlo simulations of the same system (Cleaver and Teixeira 2001 Chem. Phys. Lett. 338 1, Barmes and Cleaver 2004 in preparation) reveals good agreement in the symmetric case.

Item Type: Article
Additional Information: Workshop on Liquid Crystal Colloid Dispersions AUG, 2003 Bled, SLOVENIA 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: 10.1088/0953-8984/16/19/009
Depositing User: Hilary Ridgway
Date Deposited: 09 Apr 2010 15:44
Last Modified: 29 Sep 2010 10:52
URI: http://shura.shu.ac.uk/id/eprint/1530

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