Two dimensional behavior of critical current density in CVD-YBa2Cu3O7 films

S. Awaji, K. Watanabe, N. Kobayashi, H. Yamane, T. Hirai

研究成果: Conference article査読


In order to investigate the two-dimensional(2D) behavior of Jc, the angular, temperature and magnetic field dependence of transport Jc for CVD-YBa2Cu3O7 films, which were regarded as a 3D superconductor at high temperature, was measured. The 2D behavior of Jc appeared at low temperature, while the three-dimensional(3D) behavior of Jc was observed at 77.3K. The dimensional crossover of Jc appeared with a kink in the temperature dependence of Jc. We propose a dimensional crossover model from 3D to 2D pinning, considering the intrinsic and extrinsic pinning as the 2D and 3D pinning, respectively.

ジャーナルDenshi Gijutsu Sogo Kenkyusho Iho/Bulletin of the Electrotechnical Laboratory
出版ステータスPublished - 1994 12 1
イベントProceedings of ETL Workshop on High Temperature Superconductors - Tsukuba, Jpn
継続期間: 1993 12 61993 12 8

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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