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Chiral two ring compounds exhibiting antiferroelectric phases

Research output: Contribution to journalArticle

Published copy (DOI)

Author(s)

  • T Futterer
  • G Heppke
  • D Lotzsch
  • D Moro
  • J W Goodby
  • R P Tuffin

Department/unit(s)

Publication details

JournalLIQUID CRYSTALS
DatePublished - Sep 2002
Issue number9
Volume29
Number of pages7
Pages (from-to)1161-1167
Original languageEnglish

Abstract

Novel chiral two ring compounds possessing phenylethenoate moieties were synthesized and their liquid crystalline properties determined. Some of these compounds were found to exhibit SmCgamma*, AF and SmCA* phases, whereas in other compounds only SmA* and SmC* phases appear. The influence of the molecular structure on the appearance of SmCgamma*, AF and SmCA* phases is discussed. The basic electro-optical properties of the homologous series of (S)-(E)-4-(1-methylheptyloxycarbonyl)phenyl 4-alkoxycinnamates, in which SmC*, SmCgamma*, AF and SmCA* phases appear, were also investigated. High values of spontaneous polarization, low threshold voltages and fast switching times at room temperature were observed.

    Research areas

  • LIQUID-CRYSTALS, STABILITY, ASTERISK, FILMS

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