Field-induced alignment of the directors in the smectic A phase. Experiment and simulation


Luckhurst, G. R. (2000) Field-induced alignment of the directors in the smectic A phase. Experiment and simulation. Molecular Crystals and Liquid Crystals, 347, 365-379.

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Description/Abstract

In contrast to nematics far less is known about the alignment of the directors in a smectic A phase by an external field. To characterise this process, which necessarily involves the flow of the molecules, we have undertaken an NMR investigation of the smectic A phase of 4-octyl-4'-cyanobiphenyl. The results of these experiments have revealed that, as expected, the alignment of the directors is a complex process strongly influenced by the nature of the containing surface for the smectic A phase. To assist in understanding the alignment process we have used computer simulations to study the field induced alignment of the directors in the smectic A phase formed by the Gay-Berne mesogen GB(4.4,20.0,1.1).

Item Type: Article
Related URLs:
Keywords: smectic a, director alignment, nmr, computer simulation
Subjects: Q Science
Q Science > QD Chemistry
Divisions: University Structure - Pre August 2011 > School of Chemistry
ePrint ID: 19021
Date Deposited: 18 Jan 2006
Last Modified: 27 Mar 2014 18:08
URI: http://eprints.soton.ac.uk/id/eprint/19021

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