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Crystals of BP1 and BP2 blue phases exhibit different crystalline structures under sufficiently high electric field. When the dielectric anisotropy is positive, the same tetragonal phase, called BPX, has been observed wh...
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Smectic B phases are 3D ordered phases, but they are not perfect crystals. In these phases there exist strings of molecules, the order of which is easily disturbed by the existence of vacancies. We have shown in previous...