Dynamics and pressure effect of the helix in ferroelectric liquid crystal with small pitch

The dynamic property of helical structure in ferroelectric liquid crystal with a small helical pitch has been studied. In this compounds an anomalous temperature dependence of the dielectric constant due to the small helical pitch is observed. In the homeotropic geometry the color changes with tempe...

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 1989, Vol.28 (S2), p.130-132
Main Authors: OZAKI, M, HATAI, T, TAGAWA, A, NAKAO, K, TANIGUCHI, H, YOSHINO, K
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Exact sciences and technology
Physics
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Summary:The dynamic property of helical structure in ferroelectric liquid crystal with a small helical pitch has been studied. In this compounds an anomalous temperature dependence of the dielectric constant due to the small helical pitch is observed. In the homeotropic geometry the color changes with temperature due to the selective reflection in the region of the visible light. The influence of the hydrostatic pressure on the helical pitch has also been measured utilizing the spectral change by this selective reflection.
ISSN:0021-4922
1347-4065
DOI:10.7567/JJAPS.28S2.130