Magnetic-field properties of high critical current density YBCO films deposited by TFA-MOD

S. B. Kim, S. Murase, Y. Yamada, T. Araki, I. Hirabayashi

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

The critical current density, Jc, of metal-organic deposition process using trifluoroacetates (TFA-MOD) based YBCO films was measured between 20 K and 77 K in magnetic fields up to 9.5 T as a function of the field direction. C-axis oriented YBCO films was deposited on LaAlO3 single crystalline substrates and also on CeO2 buffered IBAD (YSZ/Hastelloy) substrates by TFA-MOD method. The obtained Jc values at 77 K and 0 T were 7 and 1.7 MA/cm2 for LaAlO3 and IBAD substrates, respectively. High Jc values over 105 A/cm2 were maintained up to 4 T (B//c-axis) for the LaAlO3 substrate and up to 3 T (B//c-axis) for the CeO2 buffered IBAD substrate. These results imply that TFA-MOD with simple fabrication process is very promising for the practical YBCO coated conductor. And the dependences on temperature and angular of the Jc at various external magnetic fields for some different thicknesses YBCO films was reported.

Original languageEnglish
Pages (from-to)2645-2648
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume15
Issue number2 PART III
DOIs
Publication statusPublished - Jun 1 2005

Keywords

  • Jc - B - θ
  • TFA-MOD
  • Thickness
  • YBCO film

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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