Madhusudana, N. V. ; Palierne, J. F. ; Martinot-Lagarde, Ph. ; Durand, G. (1984) Twist instability of a flexoelectric nematic domain in an external field Physical Review A, 30 (4). pp. 2153-2154. ISSN 1050-2947
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Official URL: http://pra.aps.org/abstract/PRA/v30/i4/p2153_1
Related URL: http://dx.doi.org/10.1103/PhysRevA.30.2153
Abstract
We report the observation of an instability in a flexoelectric nematic domain due to a linear coupling with an external dc electric field. We use a hybrid aligned nematic cell with two antiparallel flexopolarized domains. Above a certain threshold, the field induces a twist instability in domains with the flexopolarization opposed to the field. The threshold field in methoxybenzylidenebutylaniline is in reasonable agreement with a calculation which also includes the effect of the dielectric anisotropy.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 21116 |
| Deposited On: | 20 Nov 2010 09:08 |
| Last Modified: | 07 Jun 2011 06:29 |
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