DOE OSTI · 1993521
High-current, double-sided REBCO tapes by advanced MOCVD
Abstract
Abstract An approach to fabricate double-sided, high-current RE-Ba 2 Cu 3 O 7− δ (REBCO) tapes for use in ultrahigh-field superconducting magnets operating at and above 20 T is demonstrated. In this work, we modified our advanced metal organic chemical vapor deposition (A-MOCVD) reactor to deposit REBCO films on each side of a double-sided buffer substrate in a single pass. The composition, thickness, and critical current ( I c ) of 1 µ m-thick REBCO films on each side of the double-sided tapes are compared. Double-sided REBCO tape with 2 µ m-thick films on each side showed self-field critical current density ( J c ) over 2.6 MA cm −2 at 77 K and 0 T. 15%-Zr-added double-sided REBCO tape showed I c over 530 A/4 mm at 20 K, 20 T.
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Paidpilli, M., Sandra, J. Sai, Sarangi, B., Goel, C., Galstyan, E., Majkic, G. (ORCID:0000000301680856), Selvamanickam, V. (ORCID:0000000166189406). 2023-08-03. High-current, double-sided REBCO tapes by advanced MOCVD. https://doi.org/10.1088/1361-6668%2Face8c8
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