Chirality issues and interesting properties of achiral and racemic materials with bent molecular structures

Michael Hird, Yann Raoul, John W. Goodby, Helen Gleeson

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Spontaneous symmetry breaking in achiral and racemic materials is reviewed in terms of the so-called banana-shaped liquid crystal materials. Some novel results are reported in the area of conventional liquid crystal phases generated by achiral, bent-shaped molecular architectures where the smectic C phase is seen to consist of domains of opposite handedness in equal proportion. Moreover, an analogous racemic material was found to generate a liquid crystal phase that showed only one handedness. Other materials based on the same bent-core architecture were found to generate a nematic phase that also consists of domains of opposite handedness in equal proportion. This nematic phase was also found not to show any areas of homeotropic alignment.
    Original languageEnglish
    Pages (from-to)95-101
    Number of pages6
    JournalFerroelectrics
    Volume309-312
    DOIs
    Publication statusPublished - 2004

    Keywords

    • Banana phases
    • Chirality
    • Liquid crystals

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