Properties of non-symmetric bent-core liquid crystals with variable flexible chain length

Michal Kohout, Martin Chambers, Aniko Vajda, Giancarlo Galli, Attila Domjan, Jiří Svoboda, Alexej Bubnov, Antal Jakli, Katalin Fodor-Csorba

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

New non-symmetrical bent-core mesogens with a variable flexible chain length have been synthesised. The compounds were derived from 3-hydroxybenzoic acid, which is the central unit of the molecules. The tails on both ends were connected by ester functionality, one tail contains a terminal double bond and the other is saturated. The compounds represent novel non-symmetric molecules both in their core and tails. The main features of differential scanning calorimetry, polarising optical microscopy, electro-optical and polarisation current measurements for all studied materials indicate a transition between a single tilted synclinic ferroelectric and an antiferroelectric smectic phase.

Original languageEnglish
Pages (from-to)537-545
Number of pages9
JournalLiquid Crystals
Volume37
Issue number5
DOIs
Publication statusPublished - May 1 2010

Keywords

  • Antiferroelectric switching
  • Bent-core liquid crystals
  • Ferroelectric
  • Non-symmetrical

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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