Electrophoretic deposition of BaTiO3 films from aqueous suspensions

被引：29

作者：

Zhao, Jianling ^{[1
]}

Wang, Xiaohui ^{[1
]}

Li, Longtu ^{[1
]}

机构：

[1] Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Dept Mat Sci & Engn, Beijing 100084, Peoples R China

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2006年 / 99卷 / 2-3期

关键词：

ceramics; electrophoretic deposition (EPD); barium titanate; aqueous suspension;

D O I：

10.1016/j.matchemphys.2005.11.003

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

It was found that BaTiO3 powder could be well dispersed in water using 0.3 wt.% poly(acrylic acid-co-maleic acid) as a dispersant at pH 10. The suspension characteristics were studied in terms of zeta potential and viscosity. Stable suspensions with 5 wt.% BaTiO3 were chosen for the electrophoretic deposition. Voltages between 2 and 6 V were applied to fabricate uniform and defect free BaTiO3 films with a thickness up to 20 mu m. The results show that electrophoretic deposition from aqueous suspension is a feasible, low-cost and environmentally benign method to form BaTiO3 thin and thick films. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：350 / 353

页数：4

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