Artículo
Wetting transition of a nematic liquid crystal on a periodic wedge-structured substrate
Autor/es | Romero Enrique, José Manuel
Patrício, Pedro Pham, Chi Tuong |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2007 |
Fecha de depósito | 2017-09-18 |
Publicado en |
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Resumen | It is known that the wetting behaviour of a fluid is deeply altered by the presence of rough or structured substrates. We first review some simple considerations about isotropic fluids and rough substrates, and then we ... It is known that the wetting behaviour of a fluid is deeply altered by the presence of rough or structured substrates. We first review some simple considerations about isotropic fluids and rough substrates, and then we generalize Wenzel’s law, which assigns an effective contact angle to a droplet on a rough substrate, when the wetting layer has an ordered phase, like a nematic. We estimate the conditions for which the wetting behavior of an ordered fluid can be qualitatively different from that usually found in a simple fluid. To support our general considerations, we use the Landau-de Gennes mean field approach to investigate theoretically and numerically the wetting transition of a nematic phase on a periodic triangular structured substrate. |
Agencias financiadoras | Junta de Andalucía |
Identificador del proyecto | FQM-205
SFRH/ BPD/20325/2004 |
Cita | Romero Enrique, J.M., Patricío, P. y Pham, C.T. (2007). Wetting transition of a nematic liquid crystal on a periodic wedge-structured substrate. European Physical Journal E, 26, 97-101. |
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