BaTiO3 particles prepared by microwave-assisted hydrothermal reaction using titanium acylate precursors

被引:52
作者
Choi, GJ [1 ]
Kim, HS [1 ]
Cho, YS [1 ]
机构
[1] Korea Inst Sci & Technol, Clean Technol Res Ctr, Seoul 130650, South Korea
关键词
BaTiO3; particle; microwave; hydrothermal reaction; reflux; autoclave; titanium acylate;
D O I
10.1016/S0167-577X(99)00117-2
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Microwave-assisted hydrothermal reaction to prepare barium titanate (BaTiO3) particles using titanium acylate precursors was investigated. Experimental variables taken into account in this study were the reaction type (reflux and autoclave), the reaction time and the Ba to Ti ratio in sol solutions. Autoclave reactions were more effective than reflux reactions in terms of time and barium utilization efficiency, in both type reactions, the variation in Ba to Ti ratio in sol solutions led to substantial changes in particle morphology as well as Ba:Ti stoichiometry in resulting particles. Mechanisms for those changes were proposed. Characterization of synthesized particles were performed via SEM, XRD, Raman, XPS and elemental analysis based on ICP. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:122 / 127
页数:6
相关论文
共 15 条
[1]  
[Anonymous], 1996, FUNDAMENTALS CERAMIC
[2]   THE HYDROTHERMAL MICROWAVE SYNTHESIS OF SCORODITE - IRON(III) ARSENATE(V) DIHYDRATE, FEASO4-CENTER-DOT-2H(2)O [J].
BAGHURST, DR ;
BARRETT, J ;
MINGOS, DMP .
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1995, (03) :323-324
[3]  
BRINKER CJ, 1990, SOL GEL SCI PHYSICS
[4]   Characteristics of BaTiO3 particles prepared by spray-coprecipitation method using titanium acylate-based precursors [J].
Choi, GJ ;
Lee, SK ;
Woo, KJ ;
Koo, KK ;
Cho, YS .
CHEMISTRY OF MATERIALS, 1998, 10 (12) :4104-4113
[5]  
CHOI GJ, 1998, BSV000900081 KIST
[6]  
Dai CH, 1997, J AM CERAM SOC, V80, P1274
[7]   HYDROTHERMAL SYNTHESIS OF TETRAGONAL BARIUM-TITANATE [J].
DUTTA, PK ;
GREGG, JR .
CHEMISTRY OF MATERIALS, 1992, 4 (04) :843-846
[8]  
Galagher P. K., 1965, J AM CERAM SOC, V48, P644
[9]  
HUMPHREY KD, 1980, THESIS U MISSOURI RO
[10]   Heating effect of BaTiO3 in microwave field and microstructure of BaTiO3 [J].
Li, YW ;
Liu, HX ;
Zhang, HL ;
Ouyang, SX .
SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY, 1997, 40 (07) :779-784