Induced ferrielectricity in antiferroelectric liquid crystals |
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| Authors: | A.A. Boulbitch P. Tolédano |
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| Affiliation: | (1) Technical University of Munich, Laboratory of Biophysics E22, James-Franck Street 85747 Garching, Germany, DE;(2) Département de Physique, Université d'Amiens, 80000 Amiens, France, FR |
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| Abstract: | The behaviour of the antiferroelectric SmCA liquid crystal phase under applied electric field is discussed theoretically. The phase diagram involving the SmA, SmCA and SmC A * phases is worked out and shown to exhibit a Lifshitz critical point. The deformation of the bilayer structures induced by the field transforms the SmCA phases into a ferrielectric phase whose specific configuration is described. Received: 23 October 1997 / Revised: 8 April 1998 / Accepted: 14 July 1998 |
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| Keywords: | PACS. 64.70.Md Transitions in liquid crystals - 61.30.Cz Theory and models of liquid crystal structure |
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