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Title: The fluid-like and critical behavior of the isotropic-nematic transition appearing in linear and non-linear dielectric studies
Authors: Drozd-Rzoska, Aleksandra
Rzoska, Sylwester
Zioło, Jerzy
Keywords: przejścia w ciekłych kryształach; równania stanu konkretnych substancji; przenikliwość; badania dielektryczne
Issue Date: 2000
Citation: Acta Physica Polonica A, Vol. 98, nr 5 (2000), s. 637-643
Abstract: A short review of literature and the authors' experimental results for the pretransitional behavior in the isotropic phase of nematogens is given. The paper also presents new results of non-linear dielectric effect and dielectric permittivity measurements in the broad temperature range. Results obtained show significant advantages of non-linear dielectric effect and dielectric permittivity for studying pretransitional properties in liquid crystalline materials. The paper contains a comprehensive comparison of the experiment with predictions of the mean-field model and the fluid-like description. The presented analysis strongly supports the image of the isotropic phase as a complex liquid resulting from vicinity of the fluid-like, "nematic-isotropic", critical point.
ISSN: 0587-4246
Appears in Collections:Artykuły (WNŚiT)

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