Influences of Cerium Addition on the Structural and Superconducting Properties with Pb and Pb-free Bi2Sr2Ca2Cu3Oδ System
Journal Title: Cumhuriyet Science journal - Year 2017, Vol 38, Issue 3
Abstract
In this study, the thermal, structural and superconducting properties with lead and lead-free cerium added Bi2Sr2Ca2Cu3Oδ superconducting system have been investigated. Cerium-added superconductors with the general stoichiometry of Bi2-xPbxSr2Ca2Cu3CeyOδ (x = 0 and 0.4 and y = 0, 0.1, 0.2 and 0.4) were prepared by the conventional solid state synthesis technique. The materials are characterized by DTA/TGA, XRD, SEM, EDX and R-T measurements. Although the desired phase is the Bi-2223 phase in the manufactured materials, it is observed that Bi-2212 phase predominates in some materials. Especially while being the Bi-2212 phase in Pb-free samples, the main phase is relatively Bi-2223 phase in Pb containing samples. Consequently, critical temperature values have also decreased and transition behavior has been observed in two steps.
Authors and Affiliations
Hasan AĞIL
Keywords
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- EP ID EP488309
- DOI 10.17776/csj.340877
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