Volume 90, Number 1, June 2010
|Number of page(s)||6|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||03 May 2010|
Electro-capillary instability of a nematic-isotropic interface
Université de Lyon, Ecole Normale Supérieure de Lyon, Laboratoire de Physique, UMR 5672 of the CNRS 46 Allée d'Italie, 69364 Lyon Cedex 07, France, EU
Corresponding author: firstname.lastname@example.org
Accepted: 25 March 2010
We have studied the morphological instability under AC electric field of a nematic-isotropic interface confined between two electrodes set at different temperatures. The electrodes are treated for homeotropic anchoring so that, when the field is increased, the Ericksen elastic stress vanishes. In this limit, the instability resembles that observed in ordinary liquids. However, significant differences were observed.
PACS: 61.30.Hn – Surface phenomena: alignment, anchoring, anchoring transitions, surface-induced layering, surface-induced ordering, wetting, prewetting transitions, and wetting transitions / 47.20.Ma – Interfacial instabilities (e.g., Rayleigh-Taylor) / 47.65.-d – Magnetohydrodynamics and electrohydrodynamics
© EPLA, 2010
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