Influence of Synthesizing Process on BiNbO4 Microwave Dielectric Ceramic

Abstract

Abstract: The influences of synthesizing process and CuO-V₂O₅ doping sequence on the sintering behaviour and dielectric properties were investigated. The experimental results indicate that BiNbO4ceramic prepared from the powder synthesized at 850℃ for 2h and doped with CuO-V₂O₅ thereafter possesses more homogenious grain size and high bulk density. The dielectric properties of the ceramic are ε_r= 49~52, tan δ≤0.001 (100MHz), ε_r= 44, Q = 2000~2300 (3GHz), τ_f= 38ppm(-40~25℃), τ_f= 16ppm(25~85℃).

Key words: BiNbO₄, synthesizing process, microwave dielectric properties

CLC Number:

TM534

YAO Yao,ZHAO Mei-Yu,WU Wen-Jun,WANG Yi-Lin. Influence of Synthesizing Process on BiNbO₄ Microwave Dielectric Ceramic[J]. Journal of Inorganic Materials.

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Influence of Synthesizing Process on BiNbO₄ Microwave Dielectric Ceramic

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