Reference : Electrooptic and dielectric properties of new antiferroelectric liquid crystal mixtures
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Electrooptic and dielectric properties of new antiferroelectric liquid crystal mixtures
Andersson, G. [> >]
Dabrowski, R. [> >]
Drzewinski, W. [> >]
Lagerwall, Jan mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Matuszczyk, M. [> >]
Matuszczyk, T. [> >]
Perkowski, P. [> >]
Raszewski, Z. [> >]
Haase, W. [> >]
Weyrauch, T. [> >]
Taylor & Francis Ltd
Yes (verified by ORBilu)
[en] Two new antiferroelectric liquid crystal mixtures based on optically active hydroxyesters have been studied with respect to their electro-optic and dielectric behavior. The mixtures exhibit only a SmA* phase above SmCa* and show a stable antiferroelectric order over a broad temperature range (≈100°C). Electro-optic as well as dielectric studies suggest that the SmCa*-SmA* transition is second order. In thin cells signs of a sur- face-induced SmC* phase has also been observed. We present the rele- vant characteristics for three different electro-optic modes which could be exploited in these materials, including the very fast linear mode for sub-threshold voltages.

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