Comparison of Characteristics of BaTiO3 Prepared by Different Process

Abstract:

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Barium titanate powder has been prepared using sol-gel auto-ignition synthesis process and was compared with two commercial high purity BaTiO3 powders prepared by precipitation from oxalate precursor and by hydrothermal synthesis. Characterization by x-ray fluorescence, XRD, field emission scanning electron microscopy, SEM and BET revealed significant difference, particularly in particle size and agglomerate structure, resulting in different microstructure and dielectric property. The sol-gel auto-ignition synthesis process yielded weakly agglomerated powder with average particle size of 50 nm. This property is favorable for sintering and dielectric property.

Info:

Periodical:

Materials Science Forum (Volumes 475-479)

Main Theme:

Edited by:

Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie

Pages:

1643-1646

DOI:

10.4028/www.scientific.net/MSF.475-479.1643

Citation:

Q. Z. Yan et al., "Comparison of Characteristics of BaTiO3 Prepared by Different Process", Materials Science Forum, Vols. 475-479, pp. 1643-1646, 2005

Online since:

January 2005

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$35.00

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