Abstract
The effects of ZnO and B2O3 addition on the sintering behavior, microstructure, and the microwave dielectric properties of 5Li2O-1Nb2O5-5TiO2 (LNT) ceramics have been investigated. With addition of low-level doping of ZnO and B2O3, the sintering temperature of the LNT ceramics can be lowered down to near 920°C due to the liquid phase effect. The Li2TiO3ss and the “M-phase” are the two main phases, whereas other phase could be observed when co-doping with ZnO and B2O3 in the ceramics. And the amount of the other phase increases with the ZnO content increasing. The addition of ZnO does not induce much degradation in the microwave dielectric properties but lowers the τf value to near zero. Typically, the good microwave dielectric properties of er = 36.4, Q × f = 8835 GHz, τf = 4.4 ppm/°C could be obtained for the 1 wt% B2O3 and 4 wt% ZnO co-doped sample sintered at 920°C, which is promising for application of the multilayer microwave devices using Ag as internal electrode.
Sign-in/Register to access full text options 
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 callMore From: International Journal of Applied Ceramic Technology
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
