Low-Temperature Preparation of (Ba,Sr)TiO3 Perovskite Phase by Sol-Gel Method

被引：0
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作者：
Hiroyuki Shiibashi
Hirofumi Matsuda
Makoto Kuwabara
机构：
[1] University of Tokyo,Department of Materials Science
来源：
Journal of Sol-Gel Science and Technology | 1999年 / 16卷
关键词：
sol-gel processing using metal alkoxides; BST monolithic gel; crystallization at low temperature;
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摘要：
We have investigated on the synthesis of Ba1 − xSrxTiO3 (BST, x = 0.0–1.0) solid solution at low temperature by a sol-gel method using precursor solutions of Ba(OC2H5)2, Sr(OC2H5)2, and Ti(OCH(CH3)2)4 dissolved in 2-methoxyethanol. Crystalline BST solid solution monolithic gels were obtained as dried at 90°C. Crystalline fraction of BST gels increased with increasing concentration of the precursor solution and increasing amount of the hydrolysis water used. Ba0.4Sr0.6TiO3 (x = 0.6) gels from a precursor solution of 0.5 mol/l with hydrolysis water of H2O/Ti = 50 crystallized during aging at 30°C.
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页码：129 / 134
页数：5
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