New material properties and microstructure of xLa(Mg1/2Ti1/2)O3–(1-x)Ca0.6Sm0.8/3TiO3 ceramics at microwave frequency

New material properties and microstructure of xLa(Mg1/2Ti1/2)O3–(1-x)Ca0.6Sm0.8/3TiO3 ceramics at microwave frequency

The microstructure and microwave dielectric properties of xLa(Mg1/2Ti1/2)O3–(1-x)Ca0.6Sm0.8/3TiO3 ceramics system with B2O3 additions (1 wt %) prepared by the conventional solid state route were investigated. Doping with B2O3 (1 wt %) can effectively promote the densification and the dielectric prop...

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Veröffentlicht in:Journal of the Ceramic Society of Japan 2014/11/01, Vol.122(1431), pp.951-954
Hauptverfasser: LI, Bing-Jing, WANG, Sih-Yin, HUANG, Cheng-Liang, LIN, Ying-Hong, CHEN, Yuan-Bin
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
Ceramics
Densification
Dielectric
Dielectric constant
Dielectric properties
Dielectric resonators
Microstructure
Microwave ceramics
Microwave frequencies
Microwaves
Resonant frequencies
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Zusammenfassung:The microstructure and microwave dielectric properties of xLa(Mg1/2Ti1/2)O3–(1-x)Ca0.6Sm0.8/3TiO3 ceramics system with B2O3 additions (1 wt %) prepared by the conventional solid state route were investigated. Doping with B2O3 (1 wt %) can effectively promote the densification and the dielectric properties of xLa(Mg1/2Ti1/2)O3–(1-x)Ca0.6Sm0.8/3TiO3 ceramics. 0.5La(Mg1/2Ti1/2)O3–0.5Ca0.6Sm0.8/3TiO3 ceramics with 1 wt % B2O3 addition possesses a dielectric constant (εr) of 48, a Q×f value of 35,000 GHz (at 8 GHz) and a temperature coefficients of resonant frequency (τf) of 9.1 ppm/°C sintering at 1450°C.
ISSN:1882-0743
1348-6535
DOI:10.2109/jcersj2.122.951