Nonlinear Dielectric Relaxation in Solutions of the Polar Mesogenic Molecules in the Isotropic Phase

• Authors: P. Kędziora
• Languages of publication: EN

Abstracts

EN

The nonlinear spectra of 4,4'-n-hexylcyanobiphenyl (C_6H_{13}-Ph-Ph-CN) in benzene solutions were recorded in the frequency range of 300~kHz-100~MHz in the presence of the strong static electric field E_0=1.1×10^7 V/m, at 25˚C. The dynamic pretransitional phenomena revealed for polar C_6H_{13}-Ph-Ph-CN were interpreted in the frame of the Landau-de Gennes theory. The identical concentration-dependent behavior of nonlinear relaxation time in the vicinity of the transition from the isotropic to the nematic phase for polar and nonpolar compounds was discussed.

Keywords

EN

64.70.Md; 72.20.Ht; 68.35.Rh

Discipline

• 72.20.Ht: High-field and nonlinear effects
• 68.35.Rh: Phase transitions and critical phenomena

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2003
• Volume: 104
• Issue: 1
• Pages: 45-53

Dates

published

2003-07

received

2003-04-03

(unknown)

2003-06-23

Contributors

author

P. Kędziora

• Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland

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Identifiers

DOI

10.12693/APhysPolA.104.45