Abstract
K(1−x)SrxNbO3-based ceramic materials were prepared via the conventional solid-reaction method, and the positive temperature coefficient of resistance (PTCR) effect of the materials was studied. The results showed that an excellent PTCR effect with a resistance anomaly (Rmax/Rmin) up to 1.40×105 could be obtained using 10mol% Sr2+-doped KNbO3 ceramic materials. As the donor Sr2+ content increased, the PTCR performances increased, while the transition temperature changed slightly. The complex impedance measurements proved that the PTCR effect in potassium niobate-based ceramic materials was likely the result of the resistance of the grain-boundary.
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 callDisclaimer: 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.
