Wetting transition of a nematic liquid crystal on a periodic wedge-structured substrate.

The European Physical Journal. E, Soft Matter
P PatrícioJ M Romero-Enrique

Abstract

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.

References

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Citations

Mar 3, 2010·The European Physical Journal. E, Soft Matter·A Poniewierski
Dec 2, 2011·The Journal of Chemical Physics·Manuel Greschek, Martin Schoen
Jul 10, 2013·Journal of Insect Physiology·Iwona Wojda, Paulina Taszłow
Feb 28, 2016·The European Physical Journal. E, Soft Matter·Nuno M SilvestreMargarida M Telo da Gama
Nov 10, 2010·FASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology·Franc LlorensJosé Antonio del Río
Sep 21, 2011·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·P PatrícioJ M Romero-Enrique
Dec 22, 2016·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Óscar A Rojas-GómezMargarida M Telo da Gama
Oct 31, 2014·Soft Matter·Nelson Rei BernardinoMargarida Maria Telo da Gama
Dec 2, 2014·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Álvaro Rodríguez-RivasJosé M Romero-Enrique
Dec 12, 2012·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·O A Rojas-Gómez, J M Romero-Enrique
Sep 26, 2012·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·N M SilvestreM M Telo da Gama
Sep 28, 2010·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Jose Manuel Romero-EnriquePedro Patrício

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