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Proceedings Paper

Determination of same changes in rotational potentials between ferro-and antiferroelectric phases
Author(s): Pawel Perkowski; Zbigniew Raszewski; Jerzy Kedzierski; Wiktor Piecek; Jolanta Rutkowska; Jerzy Zielinski; Roman Dabrowski; W. J. Drzewinski
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Paper Abstract

Rotational potential of molecule in smectic phases, introduced by Zeks, includes two important parts: dipolar as well as quadrupolar ones. The first part is valid for chiral molecules only, whereas the second one is important for chiral and achiral molecules. The question arises: "Whether shape of rotational potential changes when the phase transition between SmC* and SmCA* appears?" In our opinion, close to the temperature of phase transition (FLC-AFLC) magnitudes of both, dipolar and quadrupolar parts change. Quadrupolar coupling is more important for antiferroelectric phase, while dipolar factor overwhelms quadrupolar one, for ferroelectric phase.

Paper Details

Date Published: 1 September 2004
PDF: 4 pages
Proc. SPIE 5565, XV Conference on Liquid Crystals, (1 September 2004); doi: 10.1117/12.581077
Show Author Affiliations
Pawel Perkowski, Military Univ. of Technology (Poland)
Zbigniew Raszewski, Military Univ. of Technology (Poland)
Jerzy Kedzierski, Military Univ. of Technology (Poland)
Wiktor Piecek, Military Univ. of Technology (Poland)
Jolanta Rutkowska, Military Univ. of Technology (Poland)
Jerzy Zielinski, Military Univ. of Technology (Poland)
Roman Dabrowski, Military Univ. of Technology (Poland)
W. J. Drzewinski, Military Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 5565:
XV Conference on Liquid Crystals
Jozef Zmija, Editor(s)

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