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ABSTRACT Structure of an oriented layer of mesogens on the interface at the isotropic phase (IP) – nematic liquid crystal (NLC) transition has been studied by polarization microscopy method. The… Click to show full abstract
ABSTRACT Structure of an oriented layer of mesogens on the interface at the isotropic phase (IP) – nematic liquid crystal (NLC) transition has been studied by polarization microscopy method. The thickness of the oriented layer was found to be equal to 50 ÷1000 µm, it decreases with a reduction of the surface curvature radius. Analytical expressions for the phase delay difference arising at passing of plane-polarized light through the mesogen layer oriented towards cylindrical and spherical surfaces have been obtained. The order parameter in mesogens at the IP-NLC transition was determined.
Journal Title: Molecular Crystals and Liquid Crystals
Year Published: 2017
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