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Erschienen in:
01.07.2014
Effects of Li2O3–B2O3–SiO2 addition on dielectric properties and microstructure of MgO–TiO2–ZnO–CaO ceramics
Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 7/2014
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Abstract
The effect of Li2O3–B2O3–SiO2 (LBS) liquid-phase additives on the sintering, microstructures, and dielectric properties of MgO–TiO2–ZnO–CaO (MTZC) ceramics was investigated. It was found that the sintering temperature could be lowered easily, and the dielectric properties of MTZC ceramics could be greatly improved by adding a small amount of LBS solution additives. With the addition of 10 wt% LBS, the ceramics sintered at 900 °C showed favorable dielectric properties with εr = 21.7, Qf = 5.0 × 104 GHz, and TCF = −21.6 ppm/ °C. The distructive physical analysis showed an excellent co-firing interfacial behavior between the MTZC ceramic and the Ag electrode. It indicated that MTZC ceramics with LBS solution additives have a number of potential applications on passive integrated devices based on the low-temperature co-fired ceramics technology.