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Multistable alignment states in nematic liquid crystal filled wells

Tsakonas, C. and Davidson, A.J. and Brown, C.V. and Mottram, N.J. (2007) Multistable alignment states in nematic liquid crystal filled wells. Applied Physics Letters, 90. p. 111913. ISSN 0003-6951

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Abstract

Two distinct, stable alignment states have been observed for a nematic liquid crystal confined in a layer with thickness of 12 µm and in square wells with sides of length between 20 and 80 µm. The director lies in the plane of the layer and line defects occur in two corners of the squares. The positions of the defects determine whether the director orientation is across the diagonal or is parallel to two opposite edges of the square. The device is multistable because both the diagonal and parallel states are stable when rotated by multiples of 90° in plane.

Item type: Article
ID code: 4555
Keywords: liquid crystal, applied physics, numerical mathematics, Mathematics, Physics, Physics and Astronomy (miscellaneous)
Subjects: Science > Mathematics
Science > Physics
Department: Faculty of Science > Mathematics and Statistics
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 01 Nov 2007
    Last modified: 28 Mar 2014 05:05
    URI: http://strathprints.strath.ac.uk/id/eprint/4555

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