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Liquid Crystals
A new class of cholesteric phase with local polar order is realized by Fumito Araoka and Hiroya Nishikawa in article number 2101305. In general, the periodicity of the conventional cholesteric liquid crystal corresponds to the half‐pitch of the helix, having head‐and‐tail symmetry in the local nematic director. On the other hand, the newly found polar cholesteric liquid crystal is...
A novel chiral nematic phase with a polar helical order is realized via the introduction of helical twisting power into a polar nematogen. The properties of the induced polar nematic (polar cholesteric: Np*) phase differ from those of the conventional cholesteric (N*) phases existing thus far. Np*, which is a new class of N* structures, is characterized not only by its helically twisted nematic director,...
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