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Issue 2, 2009
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Unusual properties of a bent-core liquid-crystalline fluid

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In our investigations of a family of achiral bent-core bis-(phenyl)oxadiazole derivatives, we observed some unusual properties of the nematic phase. These include evidence of segregation into domains of opposite handedness and the formation of clusters, nematic phase biaxiality, and a strongly kinetically governed phase behaviour, which leads to the display of unique filament structures at the onset of new order. We suggest that the combination of a deviant calamitic molecular shape with a considerable transverse dipole leads to an unusual strength and combination of molecular interactions, and as a consequence these nematic materials need to be considered as fluctuating and dynamically changing, multi-hierarchical fluids.

Graphical abstract: Unusual properties of a bent-core liquid-crystalline fluid

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The article was received on 16 May 2008, accepted on 03 Oct 2008 and first published on 06 Nov 2008

Article type: Paper
DOI: 10.1039/B808283A
Citation: Soft Matter, 2009,5, 463-471
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    Unusual properties of a bent-core liquid-crystalline fluid

    V. Görtz, C. Southern, N. W. Roberts, H. F. Gleeson and J. W. Goodby, Soft Matter, 2009, 5, 463
    DOI: 10.1039/B808283A

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