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  • Pseudo-polar order in the tilted smectic phases of bent-core hockey stick shaped molecules [Elektronski vir]
    Malkar, Deepshika ; Roy, Arun
    We discuss the liquid crystal phases of a compound consisting of bent-core hockey-stick-shaped molecules. The compound exhibits two smectic phases with an in-plane pseudo-polar order in addition to ... the tilt order in the layers. The transverse shape anisotropy and dissimilar arm lengths of these bent-core molecules stabilise these pseudo-polar tilted smectic phases. The higher temperature smectic phase has an anti-clinic organisation of the molecules in successive layers. An intermediate organisation between the synclinic and anti-clinic structures is found in the lower temperature smectic phase. We have developed a simple phenomenological model to account for these phases. In the higher temperature smectic phase, a field-induced Freedericksz type transition is observed beyond a threshold electric field. We also account for this field-induced transition using our theoretical model.
    Vir: Liquid crystals [Elektronski vir]. - ISSN 1366-5855 (Vol 49, iss. 7/9, 2022, str. 1147-1161)
    Vrsta gradiva - e-članek ; neleposlovje za odrasle
    Leto - 2022
    Jezik - angleški
    COBISS.SI-ID - 140304899
    DOI

Vnos na polico