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KMID : 1059519930370010092
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Journal of the Korean Chemical Society
1993 Volume.37 No. 1 p.92 ~ p.97
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The Synthesis of BaTiO3 Powder by Sol-Gel Process
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Doh Kiel-Myung
Kim Ill-Chool
Park Dae-Wook
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Abstract
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Sol-Gel Process is a new method of synthesis of high-quality of glass and glass-ceramics. Ferroeletric material, BaTiO3 powder was made by reacting Ba(OH)2 and Ti[OCH(CH3)2]4 in alcohol. There was about 16.5% weight loss in thermogravimetric analysis. It was crystallized to tetragonal structure by heat treatment at 700℃ for 2 hours and had a specific surface area, 16.0 m2/g. Shrinkage curve by sintering was began around 1100℃ in dilatometer analysis.
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