The limitation mechanism of Jc-θ characteristics in YBa2Cu3O7-x thin film with a single low angle grain boundary

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

研究成果: Contribution to journalArticle査読

10 被引用数 (Scopus)

抄録

The angular dependencies of critical current density (Jbc) in a YBa2Cu3O7-x film on a bicrystal SrTiO3 substrate were measured. At low magnetic field, Jbc was limited by the low angle grain boundary (LAGB), regardless of the angle, θ between the c-axis and magnetic field. However, the limitation mechanism of Jbc-θ curves changed at kink positions in high magnetic field. The vortex pinning in the grains determined Jbc for low θ, but Jbc at high θ was still limited by the LAGB. The crossover of Jbc limitation mechanism is discussed to understand the angular dependence of critical current in coated conductors.

本文言語英語
ページ(範囲)678-681
ページ数4
ジャーナルPhysica C: Superconductivity and its applications
463-465
SUPPL.
DOI
出版ステータス出版済み - 10 1 2007

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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