Abstract
Glass ceramic materials were fabricated based on BaO–ZnO–B2O3 (BZB) glass with Ba6–3x(Nd1–yBiy)8+2xTi18O54 ceramics. It was investigated that the dielectric properties and the sintering behaviour of glass ceramics. Doped by BZB glass, the sintering temperature of Ba6–3x(Nd1–yBiy)8+2xTi18O54 ceramics was significantly lowered to 900°C in comparison to 1300°C for samples without glass. The low softening point BZB glass provided good wetting between BZB and Ba6–3x(Nd1–yBiy)8+2xTi18O54, and the reaction between glass and ceramics was increased. The dielectric constant of BZB-Ba6–3x(Nd1–yBiy)8+2xTi18O54 system was increased with increasing firing time. The composite sintered at 900°C for 2 h exhibited excellent dielectric properties were achieved, with dielectric constant of 75, the dielectric loss of 5 × 10–5 and the temperature coefficient of ±30 ppm °C–1.
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