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High critical current YBCO coated conductors based on IBAD MgO

  • P. N. Arendt
  • , S. R. Foltyn
  • , L. Civale
  • , R. F. DePaula
  • , P. C. Dowden
  • , J. R. Groves
  • , T. G. Holesinger
  • , Q. X. Jia
  • , S. Kreiskott
  • , L. Stan
  • , I. Usov
  • , H. Wang
  • , J. Y. Coulter
  • Los Alamos National Laboratory

Research output: Contribution to journalArticlepeer-review

62 Scopus citations

Abstract

This report describes recent developments of second-generation Y 1Ba2Cu3O7-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.

Original languageEnglish
Pages (from-to)795-800
Number of pages6
JournalPhysica C: Superconductivity and its Applications
Volume412-414
Issue numberSPEC. ISS.
DOIs
StatePublished - Oct 2004

Keywords

  • Biaxial texture
  • Ion-beam assisted deposition
  • YBCO coated conductor

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