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Proceedings Paper

Structures, transition temperatures, and macroscopic polarization of antiferroelectric liquid crystals in free-standing films
Author(s): Mojca Cepic; Barbara Rovsek; Bostjan Zeks
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Paper Abstract

Within the framework of the phenomenological model that takes into account the interactions between the smectic layers explicitly, we analyze the structure, the transition temperatures and the macroscopic polarization of the free standing film formed by an antiferroelectric liquid crystal. Outer layers of the film interact only with the interior of the film and are therefore less tilted. Consequently, the transition temperatures from the tilted phase to the untilted smectic. A phase are lower than for bulk samples. Due to the chiral interactions the film possesses the macroscopic polarization which is for even lower than for bulk samples. Due to the chiral interactions the film possesses the macroscopic polarization which is for even number of layers parallel to the plane of the tilt, while for odd number of layers it is nearly perpendicular to the plane of the tilt.

Paper Details

Date Published: 1 February 1998
PDF: 6 pages
Proc. SPIE 3318, Liquid Crystals: Physics, Technology, and Applications, (1 February 1998); doi: 10.1117/12.299952
Show Author Affiliations
Mojca Cepic, Jozef Stefan Institute (Slovenia) and Faculty of Education (Slovenia)
Barbara Rovsek, Jozef Stefan Institute (Slovenia)
Bostjan Zeks, Jozef Stefan Institute (Slovenia) and Institute of Biophysics (Slovenia)


Published in SPIE Proceedings Vol. 3318:
Liquid Crystals: Physics, Technology, and Applications
Jolanta Rutkowska; Stanislaw J. Klosowicz; Jerzy Zielinski; Jozef Zmija, Editor(s)

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