Abstract

The effects of glass additions on the properties of (Zr,Sn)TiO4 as a microwave dielectric material were investigated. The (Zr,Sn)TiO4 ceramics with no glass addition sintered at 1360Ā°C gave Q= 4900 and K= 37 at 7.9 GHz. Several glasses, including SiO2, B2O3, 5ZnOā€“2B2O3, and nine commercial glasses, were tested during this study. Among these glasses, (Zr,Sn)TiO4 sintered with ZnOā€B2O3ā€“SiO2 (Corning 7574) showed more than 20% higher density than that of pure (Zr,Sn)TiO4 sintered at the same temperature. A 5ā€wt% addition of SiO2, to (Zr,Sn)TiO4, when sintered at 1200Ā°C, gave the best Q: Q= 2700 at 9 GHz. Results of XRD analysis and scanning electron microscopy and the effect of glass content are also presented.

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