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Proceedings Paper

Nonlinear dielectric relaxation in solutions of mesogenic molecules
Author(s): Przemyslaw Kedziora; Jan Jadzyn; Louis Hellemans
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Paper Abstract

The frequency dependence of the nonlinear dielectric increment was studied for dilute benzene solutions of nematogenic molecules of different polarity: 4,4'-n- hexylcyanobiphenyl (C6H13-Ph-Ph-CequalsVN, 6CB, (mu) equals 4.8 D) and 4-(trans-4'-n-hexyl- cyclohexyl)isothiocyanatobenzene (C6H13-CyHx-Ph- NequalsCequalsS, 6CHBT, (mu) equals 3.5 D), at 25 degree(s)C. The increment was induced by the quasi-static electric field of high strength (107 V/m) and its relaxation was detected by the alternating field of low intensity (102 V/m) in the frequency range 1 MHz - 3 GHz. The results were discussed in the framework of Coffey's theory.

Paper Details

Date Published: 12 May 2000
PDF: 6 pages
Proc. SPIE 4147, Liquid Crystals: Chemistry, Physics, and Applications, (12 May 2000); doi: 10.1117/12.385684
Show Author Affiliations
Przemyslaw Kedziora, Institute of Molecular Physics (Poland)
Jan Jadzyn, Institute of Molecular Physics (Poland)
Louis Hellemans, Katholieke Univ. Leuven (Belgium)


Published in SPIE Proceedings Vol. 4147:
Liquid Crystals: Chemistry, Physics, and Applications
Stanislaw J. Klosowicz; Jolanta Rutkowska; Jerzy Zielinski; Jozef Zmija, Editor(s)

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