Flux pinning properties of YBCO thin films deposited on SrTiO3(1 0 0) and MgO(1 0 0) substrates

T. Horide, K. Matsumoto, K. Osamura, A. Ichinose, M. Mukaida, Y. Yoshida, S. Horii

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

For applications of YBa2Cu3O7-x (YBCO) thin films, the critical current density (Jc) should be improved by introducing pinning centers into YBCO thin films. We prepared YBCO films on SrTiO3(1 0 0) and MgO(1 0 0) substrates by means of pulsed laser deposition in order to study the flux pinning properties of the films. The field angle dependence of Jc(θ,B) measured at 77 K, where θ is the angle between magnetic field direction and film surface direction, was analyzed by the normalized Jc(θ,B) and the peak component of Jc(θ,B). We discussed the effects of substrate materials and deposition conditions on the flux pinning behaviors of the YBCO films.

Original languageEnglish
Pages (from-to)1291-1295
Number of pages5
JournalPhysica C: Superconductivity and its applications
Volume412-414
Issue numberSPEC. ISS.
DOIs
Publication statusPublished - Oct 1 2004
Externally publishedYes

All Science Journal Classification (ASJC) codes

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

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