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MICROWAVE DIELECTRIC PROPERTIES OF Ba0.75Sr0.25 (NdxBi1-x)2Ti4O12 SOLID SOLUTION
2011
Ceramics-Silikáty
This work investigated the influences of Bi content on the phase structure, phase composition, microstructure and microwave properties of tungstenbronze-type like Ba0.75Sr0.25(NdxBi1-x)2Ti4O12 ceramics. XRD patterns showed that the main crystal phase of the ceramics with different Bi content (0.75 ≤ x ≤ 0.9) sintered at 1250°C to 1400°C for 3 h was BaNd2Ti4O12 with small amount of second phase Ba2Ti9O20. SEM photographs suggest that Bi could work as sintering aids promoting the densification
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