Abstract
The (K0.5La0.5)MoO4 ceramics with intrinsic ultra-low sintering temperature were prepared via the solid state reaction method. Pure monoclinic (K0.5La0.5)MoO4 phase was formed at around 660°C. High performance of microwave dielectric properties were obtained in ceramic sample sintered at 680°C with a permittivity of ∼10.3, a temperature coefficient of resonant frequency about −81ppm/°C, and Qf value of 59,000GHz. Complex dielectric spectra gained from the infrared spectra were extrapolated down to microwave range, and they were in good agreement with the measured microwave permittivity and dielectric losses. The novel (K0.5La0.5)MoO4 ceramic might be a good candidate for microwave devices application.
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