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The effect of CuO and WO 3 substitution on the sintering behavior, morphology, the microwave dielectric properties and the co-firing with copper electrode of BiNbO 4 ceramics and were studied. With x-value increasing from 0.001 to 0.01, the densified temperatures of Bi(Cu x W 3x Nb 1−4x )O 4 ceramics decreased from 1010 to 930°C and the grain size decreased...
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