Studies on BaO-CeO2-TiO2 Microwave Dielectric Ceramics

Abstract:

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BaO-CeO2-TiO2 microwave dielectric ceramics with the different content of TiO2 were fabricated by a solid-state reaction method using BaCO3, CeO2, TiO2 powders as starting materials in view of the dispute. The sintering characteristics, phase composition, micro-structures and microwave dielectric properties of BaO-CeO2-nTiO2 microwave dielectric ceramics with different n values sintered at different temperatures were investigated. The results showed that the sintering temperature of BaO-CeO2-nTiO2 microwave dielectric ceramics was lower (< 1300°C), and CeO2 didn’t tend to form polynary compounds. When n = 3, the sintered ceramics had excellent dielectric properties: εr ≈40.3, tanδ ≈1.02×10-3 (1 MHz); εr ≈ 41.2, Q•f =19922GHz (6.865 GHz), τf = +22 ppm/°C .

Info:

Periodical:

Advanced Materials Research (Volumes 197-198)

Edited by:

Huaiying Zhou, Tianlong Gu, Daoguo Yang, Zhengyi Jiang, Jianmin Zeng

Pages:

323-327

DOI:

10.4028/www.scientific.net/AMR.197-198.323

Citation:

Y. Xiao et al., "Studies on BaO-CeO2-TiO2 Microwave Dielectric Ceramics", Advanced Materials Research, Vols. 197-198, pp. 323-327, 2011

Online since:

February 2011

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Price:

$35.00

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