Study of dielectric dispersion in non-layer-shrinkage liquid crystal compounds

Kenji Ema, Yuji Sasaki, Haruhiko Yao, C. C. Huang

Research output: Contribution to journalConference article

1 Scopus citations

Abstract

Measurements of dielectric dispersion have been carried out on two liquid crystal compounds 8422[2F3] and 8O23[7F8-], showing non-layer-shrinkage (NLS) behavior through the smectic-A(Sm-A)-smectic-C (Sm-C) transition. The critical exponent determined from the data lies 1.5-1.9 for 8422[2F3], and 1.1-1.2 for 8O23[7F8-]. These results indicate that the Sm-A-Sm-C transition with NLS behavior can exhibit quasi two-dimensional Ising critical behavior under a certain condition.

Original languageEnglish (US)
Pages (from-to)7-12
Number of pages6
JournalFerroelectrics
Volume364
Issue number1 PART 1
DOIs
StatePublished - Dec 1 2008
Event11th International Conference on Ferroelectric Liquid Crystals, FLC 2007 - Sapporo, Japan
Duration: Sep 3 2007Sep 8 2007

Keywords

  • Critical phenomena
  • Dielectric dispersion
  • NLS behavior
  • Smectic phase

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