82 citations · 255 across the 16 of their papers we have counts for
16 papers
Key-Lock Colloids in a Nematic Liquid Crystal
Nuno M. Silvestre, M. Tasinkevych
The Landau-de Gennes free energy is used to study theoretically the effective interaction of a spherical "key" and an anisotropic "lock" colloidal particles. We assume identical an…
Pattern-induced anchoring transitions in nematic liquid crystals
Oscar A. Rojas-Gomez, Jose M. Romero-Enrique, Nuno M. Silvestre +1
In this paper we revisit the problem of a nematic liquid crystal in contact with patterned substrates. The substrate is modelled as a periodic array of parallel infinite grooves of…
Nematic Films at Chemically Structured Surfaces
Nuno M. Silvestre, Margarida M. Telo da Gama, Mykola Tasinkevych
We investigate theoretically the morphology of a thin nematic film adsorbed at flat substrate patterned by stripes with alternating aligning properties, normal and tangential respe…
Nematic liquid crystals on sinusoidal channels: the zigzag instability
Nuno M. Silvestre, Jose M. Romero-Enrique, Margarida M. Telo da Gama
Substrates which are chemically or topographically patterned induce a variety of liquid crystal textures. The response of the liquid crystal to competing surface orientations, typi…
The effect of curvature on cholesteric doughnuts
Ana Fialho, Nelson R. Bernardino, Nuno M. Silvestre +1
The confinement of liquid crystals inside curved geometries leads to exotic structures, with applications ranging from bio-sensors to optical switches and privacy windows. Here we…
Wetting of cholesteric liquid crystals
Nuno M. Silvestre, Maria Carolina Figueirinhas Pereira, Nelson R. Bernardino +1
We investigate theoretically the wetting properties of cholesteric liquid crystals at a planar substrate. If the properties of substrate and of the interface are such that the chol…