High critical current YBCO coated conductors based on IBAD MgO

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 2004 English Publisher:Elsevier BVJournal:Physica C: Superconductivity, volume 412-414, pages 795-800 (issn: 0921-4534,

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Authors: P.N. Arendt; S.R. Foltyn; L. Civale; R.F. DePaula; P.C. Dowden; J.R. Groves; T.G. Holesinger; +6 Authors

doi: 10.1016/j.physc.2003.12.074

High critical current YBCO coated conductors based on IBAD MgO

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Abstract

Abstract This report describes recent developments of second-generation Y1Ba2Cu3O7−δ (YBCO) coated conductors deposited on biaxially textured MgO templates. The materials system architecture implemented to achieve high critical currents in YBCO films is described. The average full-width at half maximum (FWHM) in-plane texture obtained for MgO films processed on meter-length tapes is 7°, while that for the YBCO films is 3°. The best YBCO in-plane values approach 2° and the out-of-plane values approach 1°. Critical currents (1 cm wide tapes, 75 K, self field) have attained 423 A for 7 cm length and 233 A for 50 cm length tapes.

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Los Alamos National Laboratory
United States

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