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Proceedings Paper

Influence of rigid core structure on layer tilt and mesomorphic properties in homologous series of three ring antiferroelectric esters
Author(s): J. Gasowska; Jerzy Dziaduszek; W. J. Drzewinski; M. Filipowicz; Roman S. Dabrowski; Jan Przedmojski; K. Kenig
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Paper Abstract

Mesomorphic properties (phase transitions enthalpies and temperatures) and the dependence of smectic layer spacings upon reduced temperature for eight homologous series of three ring ester such as: (S)-(+)-4-(1-methylheptyloxycarbonyl)phenyl or (S)-(+)-4-(1-methylheptyloxycarbonyl)-3-fluorophenyl or (S)-(+)-4-(1-methyl-heptyloxycarbonyl)-2-fluorophenyl 4'-(perfluoroalkanoyloxyhexyloxy)biphenylates and 4'-(alkanoyloxyhexyloxy)-biphenylates, and (S)-(+)-4-(1-methylheptyloxycarbonyl)biphenyl-4-yl 4'-(perfluoroalkanoyloxyhexyloxy)benzoates and 4'-(alkanoyloxyhexyloxy)benzoates were described. The terminal chain fluorinated compounds have SmC*anti-SmC*-SmA-Iso phase sequence and a high tilted (orthoconic) antiferroelectric phase in broad temperature range.

Paper Details

Date Published: 1 September 2004
PDF: 7 pages
Proc. SPIE 5565, XV Conference on Liquid Crystals, (1 September 2004); doi: 10.1117/12.581065
Show Author Affiliations
J. Gasowska, Military Univ. of Technology (Poland)
Jerzy Dziaduszek, Military Univ. of Technology (Poland)
W. J. Drzewinski, Military Univ. of Technology (Poland)
M. Filipowicz, Military Univ. of Technology (Poland)
Roman S. Dabrowski, Military Univ. of Technology (Poland)
Jan Przedmojski, Warsaw Univ. of Technology (Poland)
K. Kenig, Military Univ. of Technology (Poland)

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

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