Progress in Superconductivity

한국초전도학회 (The Korean Superconductivity Society)
권호 표지

필라멘트 구조로 분리된 YBCO 박막에서 필라멘트 넓이와 간격이 교류손실에 미치는 영향

Influence of width and lateral separation of the strips on AC Loss in subdivided YBCO thin film

  • Na D. H (Department of Physics, Kyungpook National University) ;
  • Park H. W (Department of Physics, Kyungpook National University) ;
  • Kim M. J (Department of Physics, Kyungpook National University) ;
  • Chang Y. S (Department of Physics, Kyungpook National University) ;
  • Kim J. M (Department of Physics, Kyungpook National University) ;
  • Ri H. C (Department of Physics, Kyungpook National University) ;
  • Lee Y. H (Korea Research Institute of Standars and Science)
  • 발행 : 2004.10.01
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초록

To investigate the influence of strip width and inter-strip separation on the ac loss, arrays of parallel strips with different widths and separations were prepared. Studies on the hysteresis-loss characteristics of multifilamentary YBCO films were performed. The local magnetic field due to magnetization currents is measured by a scanning Hall probe microscope. Based on these results a conceptual design for a low loss YBCO coated conductor is suggested.

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