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  • The SmA - SmC* (SmC) phase transition in a planar cell with a polar surface coupling
    Rovšek, Barbara ; Žekš, Boštjan
    The phase transition from the SmA to the lower-temperature SmC or SmC phase in a restricted geometry of a planar cell is studied theoretically, considering a polar coupling of the ferroelectric ... liquid crystal to the surfaces. The lambda-line in a (2L,T) phase diagram, where T is the temperature and 2L is the cell thickness, is determined numerically. The critical temperature Tc of the SmA - SmC (SmC) phase transition exibits nonmonotonic dependence on the cell thickness 2L. Two tricritical points are found on the lambda-line, which could be candidates for the Lifshitz points.
    Vir: Molecular crystals and liquid crystals. Letters. - ISSN 0140-6566 (Let. 263, 1995, str. 49-59)
    Vrsta gradiva - članek, sestavni del
    Leto - 1995
    Jezik - angleški
    COBISS.SI-ID - 4488153

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