Effect of ZnO-V2O5 Co-Doping on Phase Stability and Microwave Dielectric Properties of ZnTiO3 Ceramics
Zinc titanate ceramics having excellent dielectric properties and low sintering temperature are promising materials for RF/microwave multilayer devices. In this paper, the ZnO-V2O5 addition was added to promote the sintering process in order to obtain low-temperature sintered ceramics with high quality factors. The sintering addition could also restrain ZnTiO3 phase from decomposition. Using this method, low-temperature sintered zinc titanate ceramics with excellent microwave dielectric properties of εr~ 25.3, Q×f~15200GHz, and τf ~ -16 ppm/oC were obtained at sintering temperature of 800oC. The low-fired mechanism, microstructure, phase formation and microwave dielectric properties of ceramics were investigated by XRD, SEM, EDS and network analysis techniques, respectively.
Wei Pan and Jianghong Gong
J. Yan et al., "Effect of ZnO-V2O5 Co-Doping on Phase Stability and Microwave Dielectric Properties of ZnTiO3 Ceramics", Key Engineering Materials, Vols. 336-338, pp. 297-300, 2007