Abstract
The transport properties of YBa 2 Cu 3 O 7−δ -Ag composite ceramic system have been studied from the viewpoint of the percolation theory. The percolation threshold volume fraction f c of Ag determined from the electrical resistivity and from the thermal conductivity is f c =0.125±0.005. This markedly smaller value than the theoretical value ( f c =0.16) suggests the segregative distribution of Ag. The critical exponent t depends on the component conductivity ratio h =σ YBCO /σ Ag , which can be explained on the basis of the scaling hypothesis.
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.
