Co-Firing Behavior of Co2Z Hexagonal Ferrite/Ag Internal Electrode for MLCIs

Abstract:

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This paper presents the shrinkage behavior, phase transformation and interfacial character of the hexagonal ferrite/silver electrode composite. The shrinkage analysis shows apparent sintering mismatch between hexagonal ferrite ceramic and silver electrode material and improvement of the co-fired characteristics was obtained by adding appropriate amount of sintering additive. Scanning electron microscopy observations indicate that silver grains distribute uniformly in the composite. Drawn from the back-scattered (BS) electron image, no silver dispersed into the ferrite grains and there’re no obvious chemical reactions between Co2Z hexagonal ferrite and silver, which can be confirmed by X-ray diffraction spectrum. Silver induction exerts remarkable effect on the electronic properties of the composite and could increase the dielectric constant and dielectric loss to a certain extent.

Info:

Periodical:

Key Engineering Materials (Volumes 280-283)

Edited by:

Wei Pan, Jianghong Gong, Chang-Chun Ge and Jing-Feng Li

Pages:

155-158

DOI:

10.4028/www.scientific.net/KEM.280-283.155

Citation:

C. L. Miao et al., "Co-Firing Behavior of Co2Z Hexagonal Ferrite/Ag Internal Electrode for MLCIs", Key Engineering Materials, Vols. 280-283, pp. 155-158, 2005

Online since:

February 2007

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$35.00

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