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From the same journal

Does Topology Dictate the Incidence of the Twist-Bend Phase? Insights Gained from Novel Unsymmetrical Bimesogens

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Publication details

JournalChemistry : A European Journal
DateAccepted/In press - 5 Oct 2016
DateE-pub ahead of print - 12 Dec 2016
DatePublished (current) - 19 Dec 2016
Issue number51
Number of pages9
Pages (from-to)18456-18464
Early online date12/12/16
Original languageEnglish


We prepared a significant number of unsymmetrical liquid-crystalline dimers that exhibit the twist-bend nematic phase; a state of matter that exhibits spontaneous breaking of mirror symmetry and, for some materials, a microsecond electrooptic response. A number of novel unsymmetrical bimesogens were synthesized and in comparing their thermal behaviour to previous literature examples, we have uncovered an unexpected relationship between the thermal stability of the nematic and NTB phases. This relationship demonstrates that molecular shape dictates the incidence of this fascinating phase of matter and leads us to speculate as to the existence of “twist-bend nematic phases” on length scales beyond those of the molecule.

Bibliographical note

© 2016 The Authors

    Research areas

  • chirality, liquid crystals, molecular shape, soft matter, symmetry

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