Abstract

Bi,Pb-2223 phase on SrTiO 3 (100) fabricated by RF sputtering and annealing method have been investigated. We tried to fabricate Bi,Pb-2223 phase using multilayered precursors of Bi-2212 and Ca-Cu-Pb-O. We fabricated a multilayered film as a precursor by using two kinds of sputtering targets of Bi,Pb2212 and Ca-Cu-Pb-O. After deposition by sputtering, the multilayered precursor was annealed with Bi,Pb-2223 pellets at 840 °C for 100 h. From the X-ray diffraction (XRD) measurements, the main peaks of the precursor film were of Bi,Pb-2212 phase, but still remained large impurity phase. From the transmission electron microscopy (TEM) and Scanning Transmission Electron Microscopy (STEM) observation, we confirmed that a multilayer combination of a Bi,Pb-2212 layer and Ca-Cu-Pb-O layer was formed. After annealing, we determined the T c through resistance measurements. The T c value determined by the four-probe method was T c zero = 104.5 K. Furthermore, we observed two phases of Bi,Pb-2223 and Bi,Pb-2212 by XRD measurement. These results suggest that the Bi,Pb-2223 phase transformed from multilayered precursor film of Bi,Pb-2212 and Ca-Cu-Pb-O formed.

Full Text
Paper version not known

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

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.