발간논문

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Vol.30, No.7, 768 ~ 774, 1992
Title
Preparation of Ultra Fine BaTiO3 Powders by Hydrothermal systhesis
이종현Jong Hyeon Lee, 성학경Hak Kyeong Sung, 원창환Chang Whan Won, 김한식Han Sik Kim
Abstract
Ultrafine BaTiO₃ powder was prepared by hydrothermal synthesis with the treatment of Ba and Ti hydroxide at temperatures ranged from 120℃ to 180℃ The effects of synthesizing conditions on the properties and the crystal structure of powder were investigated using x-ray, SEM, TEM and chemical analysis. BaTiO₃ powder obtained from the optimum condition exhibited spherical shape, high purity, submicron size with a narrow size distribution but some agglomeration. The rate of BaTiO₃ formation was very fast and about 99% yield of BaTiO₃ was obtained at 120℃
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