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Critical behavior of dielectric permittivity and nonlinear dielectric effect in the isotropic phase of nematogens
Author(s): Aleksandra Drozd-Rzoska; Sylwester J. Rzoska; Jerzy Ziolo
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Paper Abstract

The paper shows that the behavior of dielectric permittivity and its changes in a strong electric field can be described in the way analogous to that applied in critical binary solutions. Basing on measurement in 4,4-n-hexylcyanobiphenyl and 4,4-n-tetracyanobiphenyl (4CB) it was possible to portray the temperature behavior of dielectric permittivity and NDE from Tc + 50 K. IN the case of 4CB the satisfied description was possible despite the fact that the sample crystallizes before reaching the clearing point. NDE tests was conducted for the measurement frequency f equals 70 kHz, what allowed to avoid the in fluence of relaxation processes on results.

Paper Details

Date Published: 1 February 1998
PDF: 5 pages
Proc. SPIE 3318, Liquid Crystals: Physics, Technology, and Applications, (1 February 1998); doi: 10.1117/12.299973
Show Author Affiliations
Aleksandra Drozd-Rzoska, Silesian Univ. (Poland)
Sylwester J. Rzoska, Silesian Univ. (Poland)
Jerzy Ziolo, Silesian Univ. (Poland)

Published in SPIE Proceedings Vol. 3318:
Liquid Crystals: Physics, Technology, and Applications
Jolanta Rutkowska; Stanislaw J. Klosowicz; Jerzy Zielinski; Jozef Zmija, Editor(s)

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