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Journal of Materials Science: Materials in Electronics
Published in: Journal of Materials Science: Materials in Electronics 9/2014

01-09-2014

A new microwave dielectric ceramics for LTCC applications: Li2Mg2(WO4)3 ceramics

Authors: Mei Guo, Yuxia Li, Gang Dou, Jinuan Lin

Published in: Journal of Materials Science: Materials in Electronics | Issue 9/2014

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Abstract

A novel microwave dielectric ceramics Li2Mg2(WO4)3 (LMW) for low-temperature co-fired ceramics (LTCC) application were prepared by the conventional solid-state sintering method. Densification, phases, microstructure and microwave dielectric properties of the Li2Mg2(WO4)3 ceramics were investigated. The optimal sintering temperature of dense Li2Mg2(WO4)3 ceramic approximately ranges from 825 to 875 °C for 3 h. The ceramic specimens fired at 875 °C for 3 h exhibits excellent microwave dielectric properties: ε r  = 7.72, Q × f = 29,600 GHz (f = 6.0 GHz), and τ f  = −15.5 ppm/°C. Moreover, the Li2Mg2(WO4)3 ceramics has a chemical compatibility with Ag during cofiring, which makes it a promising ceramic for LTCC technology application.
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Metadata
Title
A new microwave dielectric ceramics for LTCC applications: Li2Mg2(WO4)3 ceramics
Authors
Mei Guo
Yuxia Li
Gang Dou
Jinuan Lin
Publication date
01-09-2014
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 9/2014
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-014-2079-8

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