Wetting and multistable anchorings in nematics

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Abstract
In the case of multistable anchorings, the selection between competing anchoring directions must be achieved. Using as an example the spreading of nematics droplets on SiO films evaporated under oblique incidence, we show that this selection is accomplished during the wetting of the substrate by the nematic. We analyse the process of wetting and propose a model explaining several features of experimentally observed textures in spreaded droplets
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