Abstract
We prepared REBa 2Cu 3O y (REBCO) coated conductors (CCs) with high I c values from the Ba-poor (Ba/Y < 2) solution compared with conventional CCs with the Y:Ba:Cu = 1:2:3 stoichiometric composition. In this study, we fabricated Y 1− x Sm x Ba 1.5Cu 3O y (YSmBCO) CCs under different experimental conditions of the maximum heating temperature and the oxygen partial pressure, in order to investigate the influence of fabrication conditions on microstructures and superconducting properties of the films for high I c under magnetic fields. The YSmBCO film fabricated from the optimized condition showed high I c especially at the high magnetic fields compared with the Sm-free YBCO films. The magnitude of the pinning force ( F p) of the optimized YSmBCO film increased under the high magnetic fields and the maximum F p ( F p,max) value shifted to higher fields compared with those of Sm-free YBCO films. These results suggest that pinning centers were successfully introduced by the optimized fabrication conditions and the chemical substitution of Sm into the Y site enhanced F p under the high magnetic fields in the YSmBCO coated conductors.
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.
