Abstract
Zn-doped and (Zn+Mn) co-doped CaCu3Ti4O12 ceramics were prepared by the citrate–nitrate combustion derived powders in order to investigate the effect of dopants on the microstructure and electrical properties. The results showed that giant dielectric response was enhanced by co-doping of Zn and Mn. Compared with other samples, (Zn+Mn) co-doped ceramics exhibit a fine-grained microstructure. Much stronger nonohmic properties were realized in these ceramics. It is significant that the (Zn+Mn) co-doping effectively reduced the dielectric loss in the medium frequency region and at room temperature. At x = 0.05 and y = 0.03, low dielectric loss ~0.026 and moderate dielectric constant ~6620 were observed at room temperature and 10 kHz. The present results indicate that (Zn+Mn) co-doping may improve the dielectric properties and increase the grain boundary resistance of CaCu3Ti4O12.
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: Journal of Materials Science: Materials in Electronics
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.
