Effect of B2O3 on Microwave Dielectric Properties of Ca[(Li1/3Nb2/3)0.92Zr0.08]O3−δ−0.05TiO2 Ceramics

Gang Xiong

doi:10.4028/www.scientific.net/SSP.181-182.324

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HomeSolid State PhenomenaSolid State Phenomena Vols. 181-182Effect of B2O3 on Microwave Dielectric Properties...

Effect of B₂O₃ on Microwave Dielectric Properties of Ca[(Li_1/3Nb_2/3)_0.92Zr_0.08]O_3−δ−0.05TiO₂ Ceramics

Abstract:

The effects of B₂O₃ on the sinter ability and microwave dielectric properties of Ca [(Li_1/3Nb_2/3)_0.92Zr_0.08]O_3−δ−0.05TiO₂(CLNZ−0.05TiO₂) ceramics were investigated. B₂O₃ doping can effectively reduce sintering temperature by 150~200 °C. The temperature coefficient of resonator frequency τ_f increased with an increase of B₂O₃ content and sintering temperature. When B₂O₃ of 2.5 wt % were added, the optimum microwave dielectric properties: ε_r=34.2, Qf =15680GHz and τ_f= − 4.7×10⁻⁶/°C were obtained at the sintering temperature of 950 °C.