Jc enhancement of electrophoretically deposited YBa 2Cu3O7-δ superconducting wire by BaF 2 addition

S. Cho*, Y. T. Yao, J. B. Ketterson, K. L. Telschow

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

We have prepared YBa2Cu3O7-δ (YBCO) superconducting wires by electrophoretic deposition. Ag wire was used as a substrate. Adding a small amount of BaF2 tends to remove cracks in the YBCO layer which develop during the heating process. The suppression of cracks produced a dramatic improvement in the critical current density (J c). At 77 K, Jc increased from 18 A/cm2for BaF2-free YBCO wire to 646 A/cm2for a critical concentration of 2.7 wt% BaF2 after which it decreased monotonically with increasing BaF2 content.

Original languageEnglish (US)
Pages (from-to)851
Number of pages1
JournalApplied Physics Letters
Volume67
DOIs
StatePublished - 1995

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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