X-ray studies of the phases and phase transitions of liquid crystals

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Abstract

A short review is given of recent X-ray diffraction studies of the phases and phase transitions of thermotropic liquid crystals. The areas covered are twist-grain-boundary phases, antiferroelectric phases studied with resonant X-ray diffraction and smectic phases within gel structures. In all areas, X-ray diffraction has played a key role. Nonetheless, open questions remain: the nature of the smectic C variant of the twist-grain-boundary phase, the origin of antiferroelectric phases, and whether novel Bragg glass states exist for smectic A gel samples.

Original languageEnglish
Pages (from-to)112-121
Number of pages10
JournalActa Crystallographica Section A: Foundations of Crystallography
Volume61
DOIs
Publication statusPublished - Jan 2005

Keywords

  • TWIST-GRAIN-BOUNDARY
  • SMECTIC-A-PHASE
  • II SUPERCONDUCTORS
  • CRITICAL-BEHAVIOR
  • ASTERISK PHASE
  • C PHASES
  • SCATTERING
  • POINT
  • ORDER
  • FIELD

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