Growth of large-sized and high-quality BaTiO3 crystals by a novel gradient transport technique
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In order to achieve large-sized and high-quality BaTiO3 crystals, a three-temperature-zone gradient transport technique has been developed. Samples of commercial BaTiO3 photorefractive crystals are routinely grown with dimensions of approximately 30 X 30 X 25 mm. Polished and poled cubes as large as 12 X 10 X 10 mm can be fabricated.