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The growth of BaTiO_3 crystals is quite difficult.The crystals of the de-sired cubic modification of the pure substance can not be grown directly fromthe melt because of the existance of the hexagonal phase is nonferroelectricand remain metastable even down to the room temperature.The growth tem-
The growth of BaTiO_3 crystals is quite difficult. The crystals of the de-sired cubic modification of the pure substance can not be grown directly from the melt because of the existance of the hexagonal phase is nonferroelectric and remain metastable even down to the room temperature. Growth tem-