Dynamics of Collective and Molecular Modes of a Ferroelectric Liquid Crystal in Confined Geometry Using Dielectric Spectroscopy.
Item Type:Journal Article
Citation:H. Xu and J. K. Vij and A. Rappaport and N. A. Clark, Dynamics of Collective and Molecular Modes of a Ferroelectric Liquid Crystal in Confined Geometry Using Dielectric Spectroscopy., Physical Review Letters, 79, 1997, 249 - 252
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Two aerogel systems containing a ferroelectric liquid crystal (FLC) with smectic phases over a wider temperature range are investigated using dielectric spectroscopy. The second order transition from Sm- A to Sm-Cp is considerably broadened and the collective modes are detected for the FLC confined in aerogel pores. An additional relaxation process (AP) seen in these confined systems arises from the interface layer, the relaxation strength of AP decreasing and of the Goldstone mode gradually increasing as temperature is lowered.
Author: VIJ, JAGDISH KUMAR
Publisher:American Physical Society
Type of material:Journal Article
Series/Report no:Physical Review Letters;
Availability:Full text available