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  • Title: Chiral solutes can seed the formation of enantiomorphic domains in a twist-bend nematic liquid crystal.
    Author: Emsley JW, Lesot P, Luckhurst GR, Meddour A, Merlet D.
    Journal: Phys Rev E Stat Nonlin Soft Matter Phys; 2013 Apr; 87(4):040501. PubMed ID: 23679359.
    Abstract:
    The twist-bend nematic, an enantiomorphic liquid-crystalline phase, exhibited by the structurally symmetric liquid-crystal dimer CB7CB is induced to form a single domain of uniform handedness, in the bulk, by the addition of the dopant chiral solute (S)-1-phenylethanol. Addition of a nonracemic (or scalemic) mixture of both R and S enantiomers of this solute produced equal volumes of P and M chiral domains for the twist-bend nematic phase. This seeding of the domains in an enantiomorphic nematic conglomerate is revealed using deuterium NMR spectroscopy.
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