Curvature induced quasi-melting from rough surfaces in nematic liquid crystalsReportar como inadecuado




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Abstract : The Berreman-de Gennes model, describing the azimutal anchoring energy of a nematic material oriented by a grooved surface, is revisited. When the groove wave-length is shorter than the nematic-isotropic coherence lenght, the nematic should decrease locally its order parameter to decrease the too large curvature energy induced by the boundaries. This curvature induced surface quasi-melting could explain recent observations on the order parameter decrease close to oblique SiO evaporated rough surfaces.





Autor: G. Barbero G. Durand

Fuente: https://hal.archives-ouvertes.fr/



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