Precipitation of fine powders of PbTiO3 derived from organometallic solution

被引：5
|
作者：
Stanly, KJ [1 ]
Selvam, IP [1 ]
Kumar, V [1 ]
机构：
[1] Govt India, Dept Elect, Ctr Mat Elect Technol, Sci Soc, Thrissur 680771, Kerala, India
来源：
MATERIALS LETTERS | 1999年 / 40卷 / 03期
关键词：
PbTiO3; perovskites; co-precipitation; organometallic solutions; fine powders;
D O I：
10.1016/S0167-577X(99)00059-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Hydrolytic reactions of metal alkoxides offer several pathways for the preparation of ceramic powders. This paper reports a sol-precipitation process to prepare fine powders of PbTiO3 from a very highly stable precursor solution derived from the system (CH3COO)(2)Pb . Pb(OH)(2)-CH3COOH-i-C5H11OH-Ti((OBu)-Bu-n)(4). This simple route offers good control of homogeneity, stoichiometry and particle size. The chemical purity and dielectric properties of PbTiO3 have been determined. Formation aspects of the Perovskite phase are also discussed. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：118 / 123
页数：6
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