Chemical preparation of PLZT powder from aqueous solution |
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Authors: | Michihiro Murata Kikuo Wakino Katsuhiko Tanaka Yoshihiro Hamakawa |
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Affiliation: | Murata Manufacturing Co., Ltd., Nagaokakyo, Kyoto, Japan;Faculty of Engineering Science, Osaka University Toyonaka, Osaka, Japan |
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Abstract: | A new method for preparing homogeneous lanthanum-modified lead zirconate-titanate (PLZT) powder from aqueous salt solution containing hydrogen peroxide by precipitation is described. Inorganic salts such as zirconium oxychloride and titanium tetrachloride instead of organo-metallic salts can be available as raw materials which attain well reactioned and fine-grained PLZT powder processed by decomposing the dried product at 650°C. PLZT ceramics formed by hot-pressing the powder show considerable improvements in the qualities such as optical transparency and homogeneity. |
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