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Comparison of Characteristics of BaTiO3 Prepared by Different Process

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Abstract:

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.

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Periodical:

Materials Science Forum (Volumes 475-479)

Pages:

1643-1646

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.475-479.1643

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Online since:

January 2005

Authors:

Qing Zhi Yan, Li-Ying Zhao, Xin Tai Su, Wen Feng Zhang, Chang Chun Ge

Keywords:

Barium Titanate (BT), Comparison, Property Analysis

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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