Characterization of barium titanate ceramic/ceramic nanocomposite films prepared by a sol-gel process

被引：46

作者：

Cheung, MC ^{[1
]}

Chan, HLW

Zhou, QF

Choy, CL

机构：

[1] Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Peoples R China

[2] Hong Kong Polytech Univ, Mat Res Ctr, Hong Kong, Peoples R China

来源：

NANOSTRUCTURED MATERIALS | 1999年 / 11卷 / 07期

关键词：

D O I：

10.1016/S0965-9773(99)00374-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Barium titanate (BaTiO3) ceramic/ceramic nanocomposite thick films (similar to 16 mu m) for ultrasonic transducer applications were prepared by a modified sol-gel process. Nano-sized BaTiO3 powder was dispersed in a sol-gel matrix of BaTiO3 to form a composite solution. Films were prepared by spin coating and then annealed at various temperatures. The crystallization of the composite film was studied by X-ray diffraction. The dielectric permittivity and the ferroelectric properties of the film were also measured. (C) 1999 Acta Metallurgica Inc.

引用

页码：837 / 844

页数：8

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