Applications of Ferroelectric Liquid Crystals – Real and Possible (Review)
نویسندگان
چکیده
منابع مشابه
Properties and Applications of Ferroelectric Liquid Crystals
The ferroelectric modes of liquid crystals which allow for easy reorientation of the direction of polarization make liquid crystals an attractive element to use for applications such as optical storage, and optical switching. Three schemes for achieving ferroelectricity are discussed: chiral smectic alignment, achiral “banana-shaped” smectic alignment, and the nematic phase that comes from stro...
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2014 A general symmetry argument is presented, and experiments on newly synthesized p-decyloxybenzylidene p’-amino 2-methyl butyl cinnamate are described, demonstrating that chiral smectic C and H liquid crystals are ferroelectric. Some of the properties of this new class of ferroelectrics are discussed. In spite of speculation on the possibility of ferroelectric liquid crystalline phases [1], ...
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The polymer stabilized state of ferroelectric liquid crystals (FLC) is reviewed; and the effect of a dispersed polymer network in an FLC outlined and discussed. All fundamental material aspects are demonstrated; such as director tilt angle; spontaneous polarization; response time and viscosity; as well as the dielectric modes. It was found that the data can largely be explained by assuming an e...
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This paper reviews our recent work on the photorefractive effect of ferroelectric liquid crystals (FLCs). The photorefractive effect is defined as the optical modulation of the refractive index of a medium as a result of a variety of processes. The interference of two laser beams in a photorefractive material establishes a refractive index grating. This phenomenon enables the creation of differ...
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We report a study of the electrodmic coupling (soft mode), close to the smectic A to smectic C* phase transition in several chiral compounds The main charactenstic of the technique used is to measure both optical and dielectric quantities on a single sample This
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ژورنال
عنوان ژورنال: Liquid Crystals and their Application
سال: 2015
ISSN: 1991-3966
DOI: 10.18083/lcappl.2015.3.28