Dielectric properties of 6-CHBT in isotropic and nematic phases

Jan Jadzyn; Grzegorz Czechowski; Christian Legrand; Redouane Douali

doi:10.1117/12.385679

12 May 2000 Dielectric properties of 6-CHBT in isotropic and nematic phases

Jan Jadzyn, Grzegorz Czechowski, Christian Legrand, Redouane Douali

Proceedings Volume 4147, Liquid Crystals: Chemistry, Physics, and Applications; (2000) https://doi.org/10.1117/12.385679
Event: XIII International Conference on Liquid Crystals: Chemistry, Physics, and Applications, 1999, Krynica Zdroj, Poland

Abstract

The paper presents the results of measurements of the static and dynamic electric permittivities (epsilon) _(parallel)^*(T,(omega) ) and (epsilon) _{(perpendicular})^*(T,(omega) ) of 4-(trans-4'-n-hexylcyclohexyl)isothiocyanato- benzene(C₆H₁₃-CyHx-Bz-NequalsCequalsS, 6-CHBT). On the basis of the temperature dependence of the static permittivities, using the Maier-Meier equations, the angle (beta) between the dipole moment vector and the long axis of 6-CHBT molecule, the square of the molecular apparent dipole moment (mu) ²_app and the nematic order parameter S(T), were determined. The dielectric relaxation spectra were interpreted in the frame of the molecular model proposed recently.

Citation Download Citation

Jan Jadzyn, Grzegorz Czechowski, Christian Legrand, and Redouane Douali "Dielectric properties of 6-CHBT in isotropic and nematic phases", Proc. SPIE 4147, Liquid Crystals: Chemistry, Physics, and Applications, (12 May 2000); https://doi.org/10.1117/12.385679

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