Preparation and characterization of BaTiO3 particles coated with yttrium compound

被引:0
作者
Lee, YH [1 ]
Oh, SG [1 ]
机构
[1] Hanyang Univ, Dept Chem Engn, Seoul 133791, South Korea
来源
JOURNAL OF CERAMIC PROCESSING RESEARCH | 2004年 / 5卷 / 02期
关键词
BaTiO3; yttrium compound; coating; morphology; TEM; electron probe microanalyzer;
D O I
暂无
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Barium titanate (BaTiO3) particles were homogeneously coated with yttrium compound by the decomposition of yttrium nitrate with urea in aqueous solution. The morphologies of the yttrium compound-coated BaTiO3 particles were controlled by varying the initial concentration of yttrium nitrate for a fixed reaction temperature and time. The relationship between the initial yttrium concentration and the coating layer thickness was confirmed by transmission electron microscopy (TEM) images. Electron probe microanalyzer (EPMA) and XRD data showed that the BaTiO3 particles were homogeneously coated with yttrium compound.
引用
收藏
页码:187 / 190
页数:4
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