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Electric-field modulation of liquid crystal structures in contact with structured surfactant monolayers

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We present experiments in which we use an electric field to switch between different configurations in the cellular patterns induced in a confined nematic liquid crystal by the contact with a surfactant monolayer that features lateral order and surface defects. By using different combinations of far-field alignment and mesogen dielectric anisotropy, we unravel the nature and stability of point defects and disclinations resulting from the hybrid boundary conditions.

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Articles publicats en revistes (Ciència dels Materials i Química Física)

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Electric-field modulation of liquid crystal structures in contact with structured surfactant monolayers