Synthesis of submicron BaTiO3 particles by modified solid-state reaction method

被引:26
作者
Chang, Che-Yuan [1 ]
Huang, Chi-Yuen [1 ]
Wu, Yu-Chun [1 ]
Su, Che-Yi [2 ]
Huang, Cheng-Liang [2 ]
机构
[1] Natl Cheng Kung Univ, Dept Resources Engn, Tainan 70101, Taiwan
[2] Natl Cheng Kung Univ, Dept Elect Engn, Tainan 70101, Taiwan
关键词
BaTiO3; Powder synthesis; Core-shell; Urea; BARIUM; POWDER;
D O I
10.1016/j.jallcom.2010.01.096
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
BaTiO3 powders were prepared according to a novel fabrication route. Submicrometric TiO2 particles were coated by BaCO3 nanoparticles which are precipitated by urea decomposition method. Under suitable operation conditions, homogeneous core-shell TiO2@BaCO3 structure, an optimal BaCO3 precipitation yield and stoichiometry control was achieved. BaTiO3 particles were successfully obtained after heat treatment at 1000 degrees C for 1 h. The size of the obtained particle was about 150-200 nm, in agreement with the original size of the TiO2 core. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:108 / 112
页数:5
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