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Formation of BaTiO3 and PbTiO3 thin films under mild hydrothermal conditions

Published online by Cambridge University Press:  31 January 2011

W-ping Xu ,
Lirong Zheng ,
Huoping Xin ,
Chenglu Lin  and
Masanori Okuyama
W-ping Xu
Affiliation:
State Key Laboratory of Functional Materials for Informatics, Chinese Academy of Sciences, Shanghai 200050, China
Lirong Zheng
Affiliation:
State Key Laboratory of Functional Materials for Informatics, Chinese Academy of Sciences, Shanghai 200050, China
Huoping Xin
Affiliation:
State Key Laboratory of Functional Materials for Informatics, Chinese Academy of Sciences, Shanghai 200050, China
Chenglu Lin
Affiliation:
State Key Laboratory of Functional Materials for Informatics, Chinese Academy of Sciences, Shanghai 200050, China
Masanori Okuyama
Affiliation:
Department of Electrical Engineering, Faculty of Engineering Science, Osaka University, Osaka 560, Japan
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Abstract

Well-crystallized polycrystalline thin films of cubic barium titanate (BaTiO3) have been synthesized on Ti-covered Si substrates by exposing the substrates to a Ba(OH)2 aqueous solution at 160 °C and a low pressure less than 1 MPa. It was presumed that the film formation of BaTiO3 involved a dissolution-crystallization mechanism, which provides an attractive approach to produce other titanate films and powders. Also, we have used for the first time this hydrothermal technique to deposit epitaxial (001)-textured PbTiO3 thin films on SrTiO3(100) substrates.

Type
Articles
Information
Journal of Materials Research , Volume 11 , Issue 4 , April 1996 , pp. 821 - 824
Copyright
Copyright © Materials Research Society 1996

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References

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