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  • Title: Continuous nematic anchoring transition due to surface-induced smectic order.
    Author: Shioda T, Wen B, Rosenblatt C.
    Journal: Phys Rev E Stat Nonlin Soft Matter Phys; 2003 Apr; 67(4 Pt 1):041706. PubMed ID: 12786376.
    Abstract:
    A continuous transition from tilted to homeotropic alignment at an interface is observed at a temperature T(a) for a nematic liquid crystal on cooling toward the nematic-smectic-A phase transition temperature. T(a) is found to depend on the treatment of the substrate. The behavior is examined theoretically in terms of a pair of competing easy axes (homeotropic and planar) and the tilt elasticity associated with the growth of surface-induced smectic order.
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