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Issue 6, 2004
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Paraelectric–antiferroelectric transitions in the bent-core liquid-crystalline materials

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Abstract

Ferroelectric liquid crystalline phases formed by achiral bent-core mesogens have been known for about seven years. However, only few materials have been found to exhibit both conventional nematic/smectic mesophases and “banana” phases, where steric packing of bent mesogens results in ferroelectric properties. In this paper we report some studies of such compounds showing transitions between paraelectric smectic A, smectic C and antiferroelectric smectic CP phases. Structure characterization as well as studies of ordering in mesophases have been performed with the help of a variety of experimental techniques including X-ray diffraction, NMR and dielectric spectroscopy as well as electrooptical measurements.

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Article information


Submitted
09 Oct 2003
Accepted
08 Jan 2004
First published
06 Feb 2004

Phys. Chem. Chem. Phys., 2004,6, 1290-1298
Article type
Paper

Paraelectric–antiferroelectric transitions in the bent-core liquid-crystalline materials

A. Eremin, H. Nádasi, G. Pelzl, S. Diele, H. Kresse, W. Weissflog and S. Grande, Phys. Chem. Chem. Phys., 2004, 6, 1290
DOI: 10.1039/B312586F

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