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Preparation, Dielectric and Magnetic Properties of Barium-Ferrite-Containing Microcrystalline Glass Ceramic by Citrate Sol-Gel Process

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Abstract:

Four kinds of barium-ferrite-containing microcrystalline glass ceramics, such as BaFe12O19/SiO2, BaFe12O19/SiO2-B2O3, BaFe12O19/SiO2-B2O3-K2O and BaFe12O19/SiO2-Al2O3-K2O were prepared by citrate sol-gel process, in which inceptive formation temperatures varied from 850°C to 1100°C. The complex dielectric constant and complex permeability of those glass ceramics were measured at 0.1-5.0GHz, and the frequency dependence of complex dielectric constant and permeability was studied. The microcrystalline glass ceramics were characterized by X-ray diffraction (XRD) and scanning electron microscope (SEM).

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Periodical:

Key Engineering Materials (Volumes 280-283)

Pages:

457-460

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.280-283.457

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Online since:

February 2007

Authors:

Hai Jun Zhang, Xiao Lin Jia, Xi Yao, Liang Ying Zhang

Keywords:

Barium Ferrite, Dielectric Constant, Microcrystalline Glass Ceramic, Permeability

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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