Abstract
The effects of ZnO–B2O3–SiO2 glass (ZBS) additions on the sintering behavior and microwave dielectric properties of Ba2Ti3Nb4O18 ceramic have been investigated. Due to the liquid phase effects resulting from the additives, the addition of ZBS glass can reduce the sintering temperature of Ba2Ti3Nb4O18 ceramic from 1,250 to 925 °C and induce no obvious degradation of the microwave dielectric properties. Typically, when 3wt% ZBS is added, a dense ceramic can be sintered at 925 °C with a er of 33.2, a high of Q × f of 13,600 GHz and a low τf of −5.9 ppm/°C. Moreover, ZBS glass-added Ba2Ti3Nb4O18 ceramic has a chemical compatibility with silver electrode, which suggests that the ceramic could be applied to LTCC devices application.
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