Ferroelectric switching in columnar phases of novel chiral discotic liquid crystals
- 1 January 1995
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of Materials Chemistry
- Vol. 5 (3) , 417-421
- https://doi.org/10.1039/jm9950500417
Abstract
Novel 2,3,6,7,9,10-hexasubstituted phenanthrene derivatives have been synthesized, which showed broad enantiotropic columnar phases. A mixture of one representative bearing six (S)-2-methyl-3-oxa-decanoyloxy side chains with its 1,2,3,6,7,8-hexasubstituted structural isomer showed a tilted columnar phase and exhibited ferroelectrical switching with a maximum spontaneous polarization of 54 nC cm–2. Here the detailed investigations of the electrical and optical properties of this mixture are presented. The possible phase structure is also discussed.Keywords
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