Abstract
ABSTRACT The impact of CuB2O4 additive used as a sintering aid on the microstructures and microwave dielectric characteristics of mixed phase (Mg0.95Zn0.05)Co0.05TiO3-Ca0.6(La0.9Y0.1)0.2667TiO3 ceramics was investigated. CuB2O4 additives can effectively lower the densification temperature of (Mg0.95Zn0.05)Co0.05TiO3-Ca0.6(La0.9Y0.1)0.2667TiO3 from 1450°C to the range of 1050°C ~ 1175°C. Doping CuB2O4 (0.25 ~ 2 wt%) in 0.875(Mg0.95Zn0.05)Co0.05TiO3-0.125Ca0.6(La0.9Y0.1)0.2667TiO3 ceramics can substantially enhance their microwave dielectric properties and density. With the addition of 1% and 0.25% CuB2O4, Q × f values of 43,000 GHz and 7700 GHz were obtained at 1050–1175°C, respectively. Different additions of CuB2O4 have a significant effect on the Q × f value. Temperature coefficient of resonant frequency of 0.875(Mg0.95Zn0.05)Co0.05TiO3-0.125Ca0.6(La0.9Y0.1)0.2667TiO3 (0.875MZCT–0.125CLYT) varied from 16 to 30.9 ppm/°C when adding different CuB2O4 (0.25 ~ 2 wt%).
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
