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Proceedings Paper

Indication for a flexoelectric mode in nanoconfined ferroelectric liquid crystal
Author(s): Stanislaw A. Rozanski; Ralf Stannarius; Friedrich Kremer
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Paper Abstract

A new relaxation process in a nanoconfined ferroelectric liquid crystal (FLC) with high spontaneous polarization and short helical pitch is presented. In the cylindrical geometry of Anopore membranes, a collective dynamic process in the MHz region appears in the SmC* phase, instead of the phason (Goldstone) bulk relaxation. The relaxation frequency is temperature independent (except near the SmA/SmC* phase transition where an increase is observed). The origin of the process is discussed, the most consistent explanation assumes a relaxation of flexoelectric polarization near the splayed regions at the pore walls.

Paper Details

Date Published: 27 June 2002
PDF: 6 pages
Proc. SPIE 4759, XIV Conference on Liquid Crystals: Chemistry, Physics, and Applications, (27 June 2002); doi: 10.1117/12.472145
Show Author Affiliations
Stanislaw A. Rozanski, Higher Vocational State School/Pila (Poland)
Ralf Stannarius, Univ. Leipzig (Germany)
Friedrich Kremer, Univ. Leipzig (Germany)

Published in SPIE Proceedings Vol. 4759:
XIV Conference on Liquid Crystals: Chemistry, Physics, and Applications
Jolanta Rutkowska; Stanislaw J. Klosowicz; Jerzy Zielinski, Editor(s)

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