Director distortion in a nematic wetting layer
Braun, F.N., Sluckin, T.J. and Velasco, E. (1996) Director distortion in a nematic wetting layer. Jornal of Physics: Condensed Matter, 8, (16), 2741-2754. (doi:10.1088/0953-8984/8/16/003).
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Description/Abstract
Nematic liquid-crystal wetting at a solid interface presents particularly interesting features when the nematic director orientation at the solid interface is antagonistic to that favoured by the emerging nematic - isotropic interface. We have used the Landau - de Gennes theory of an inhomogeneous liquid crystal to make a quantitative study of this phenomenon, for the case when the solid surface favours homeotropic anchoring but the nematic - isotropic surface favours planar anchoring. By generalizing the theory of Sheng to allow spatial variation of the director, we find a richer surface phase diagram exhibiting a prewetting line or boundary transition shifted from that discussed by Sheng, as well as a transition between two nematic wetting phases, at which the wetting layer director profile changes from a homeotropic to a distorted texture.
| Item Type: | Article |
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| Related URLs: | |
| Subjects: | Q Science > QD Chemistry Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > School of Mathematics > Applied Mathematics |
| Item ID: | 29557 |
| Date Deposited: | 21 Dec 2006 |
| Last Modified: | 01 Jun 2011 06:34 |
| Contributors: | Braun, F.N. (Author) Sluckin, T.J. (Author) Velasco, E. (Author) |
| Date: | 1996 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/29557 |
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