The orientation under an electric field of a smectic A phase liquid crystal (LC) is unveiled in this communication. The authors have prepared a rod-like LC consisting of two photoreactive chalcone units and have carried out photopolymerization by UV irradiation. The Figure shows the image patterns observed under a polarizing microscope. Applications of this technique may include microscopic patterning.
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Chang et al. (2001) studied this question.
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