Short-Range Order Fluctuation in the Isotropic Phase of Solutions of 4-trans-4'-n-dodecylcyanobiphenyl in Benzene Studied by Nonlinear Dielectric Spectroscopy

Kędziora, P.

doi:10.12693/APhysPolA.107.907

Journal

Acta Physica Polonica A

2005 | 107 | 6 | 907-916

Article title

Short-Range Order Fluctuation in the Isotropic Phase of Solutions of 4-trans-4'-n-dodecylcyanobiphenyl in Benzene Studied by Nonlinear Dielectric Spectroscopy

Authors

P. Kędziora

Content

Full texts:

http://przyrbwn.icm.edu.pl/APP/PDF/107/a107z602.pdf [remote]

Title variants

Languages of publication

Abstracts

Nonlinear dielectric spectroscopy is used to study the dynamics of the smectogenic compound 4-trans-4'-n-dodecylcyanobiphenyl in the isotropic phase as a function of its concentration in benzene. The results obtained reveal that the large, positive amplitude of the field-induced dielectric increment (Δε≈10^{-3}) and its frequency dependence observed in the nonlinear dielectric effect spectra, even far from the possible isotropic-smectic A type phase transition, are due to short range fluctuations of the electric moment. The nature of molecular formations as a result of the strong intermolecular orientational correlations is discussed.

Keywords

64.70.Md 72.20.Ht 68.35.Rh

Discipline

Publisher

Institute of Physics, Polish Academy of Sciences

Journal

Acta Physica Polonica A

Year

2005

Volume

107

Issue

Pages

907-916

Physical description

Dates

published

2005-06

received

2004-09-02

(unknown)

2005-01-17

(unknown)

2005-04-13

Contributors

author

P. Kędziora

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

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Document Type

Publication order reference

Identifiers

DOI

10.12693/APhysPolA.107.907

YADDA identifier

bwmeta1.element.bwnjournal-article-appv107n602kz