Antiferroelectricity in novel liquid crystalline materials

W. K. Robinson Department of Physics and Astronomy, Manchester University, Manchester, M13 9PL, U. K

R. J. Miller Department of Physics and Astronomy, Manchester University, Manchester, M13 9PL, U. K

H. F. Gleeson Department of Physics and Astronomy, Manchester University, Manchester, M13 9PL, U. K

M. Hird School of Chemistry, The University of Hull, Hull, HU6 7RJ, U. K

A. J. Seed School of Chemistry, The University of Hull, Hull, HU6 7RJ, U. K

P. Styring School of Chemistry, The University of Hull, Hull, HU6 7RJ, U. K

Abstract

A group of six structurally similar compounds exhibiting antiferroelectric phases have been studied. The physical properties of these materials are described in detail. Measurements of the spontaneous polarisation, tilt angle and rotational viscosity as a function of temperature are given. These results are discussed with reference to the causes and stability of the antiferroelectric SC* phase. They are generally found to support conclusions reached by previous authors.

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Antiferroelectricity in novel liquid crystalline materials

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Antiferroelectricity in novel liquid crystalline materials

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