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

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JournalIEEE Transaction of Ultrasonics Ferroelectrics and Frequency Control
DatePublished - 2004
Volume309
Number of pages7
Pages (from-to)95-101
Original languageEnglish

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.

    Research areas

  • liquid crystals, banana phases, chirality, LIQUID-CRYSTALS, MESOMORPHIC BEHAVIOR, PHASE

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