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23.3: Cholesteric Colloid of Ferroelectric Nano‐particles
Author(s) -
Glushchenko Anatoliy,
Buchnev Oleksandr,
Iljin Andrey,
Kurochkin Oleksandr,
Reznikov Yuriy
Publication year - 2007
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.2785495
Subject(s) - ferroelectricity , materials science , birefringence , dielectric , cholesteric liquid crystal , bistability , colloid , nano , reflection (computer programming) , condensed matter physics , liquid crystal , nanoparticle , anisotropy , optical bistability , optics , optoelectronics , nanotechnology , nonlinear optics , composite material , chemistry , physics , laser , computer science , programming language
In this paper, we report on the influence of sub‐micron ferroelectric particles on optical, dielectric and electro‐optical properties of cholesteric host. An ultra‐small fraction of ferroelectric nanoparticles in a cholesteric liquid crystal greatly increases the birefringence of the latter and its dielectric anisotropy that results in a broadening of the reflection band, decreasing of the driving voltage of the switching between bistable textures and in an increasing of its steepness.