Nonlinear dielectric relaxation in solutions of mesogenic molecules

Przemyslaw Kedziora; Jan Jadzyn; Louis Hellemans

doi:10.1117/12.385684

12 May 2000 Nonlinear dielectric relaxation in solutions of mesogenic molecules

Przemyslaw Kedziora, Jan Jadzyn, Louis Hellemans

Proceedings Volume 4147, Liquid Crystals: Chemistry, Physics, and Applications; (2000) https://doi.org/10.1117/12.385684
Event: XIII International Conference on Liquid Crystals: Chemistry, Physics, and Applications, 1999, Krynica Zdroj, Poland

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.

Citation Download Citation

Przemyslaw Kedziora, Jan Jadzyn, and Louis Hellemans "Nonlinear dielectric relaxation in solutions of mesogenic molecules", Proc. SPIE 4147, Liquid Crystals: Chemistry, Physics, and Applications, (12 May 2000); https://doi.org/10.1117/12.385684

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