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Issue 3, 2013
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Polar bent-shape liquid crystals – from molecular bend to layer splay and chirality

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Abstract

Considerable progress has been achieved in understanding the fascinating structure and physical properties of the ferroelectric liquid crystalline phases formed by bent-core liquid crystals (BLC). In this review, we discuss a manifold of polar structures and phases found in BLCs such as orthogonal and tilted ferro-/antiferroelectric phases, smectic phases, switchable columnar phases, modulated structures and phases stabilised by a periodic lattice of defects such as dark conglomerate and nanofilament phases. We review the theoretical aspects of ferroelectricity in BLCs including existing microscopic theories and computer simulations, polarity and chirality phenomena. The last part of the paper is devoted to the peculiarities of the behavior of BLCs in a restricted geometry (freely suspended films and filament) and the perspective technological applications.

Graphical abstract: Polar bent-shape liquid crystals – from molecular bend to layer splay and chirality

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Publication details

The article was received on 01 Aug 2012, accepted on 04 Oct 2012 and first published on 29 Oct 2012


Article type: Review Article
DOI: 10.1039/C2SM26780B
Soft Matter, 2013,9, 615-637

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    Polar bent-shape liquid crystals – from molecular bend to layer splay and chirality

    A. Eremin and A. Jákli, Soft Matter, 2013, 9, 615
    DOI: 10.1039/C2SM26780B

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