BMO-Doped REBCO-Coated Conductors for Uniform In-Field Ic by Hot-Wall PLD Process Using IBAD Template

Y. Iijima, K. Kakimoto, M. Igarashi, S. Fujita, W. Hirata, S. Muto, T. Yoshida, Y. Adachi, M. Daibo, K. Naoe, T. Fukuzaki, K. Higashikawa, T. Kiss, S. Awaji

研究成果: ジャーナルへの寄稿学術誌査読

32 被引用数 (Scopus)

抄録

BaMO3 (BMO, M: Zr or Hf)-doped REBCO-coated conductors were prepared by Hot-Wall PLD method on IBAD template. The highest Jc was obtained for BaHfO3-doped EuBCO. Quite strong pinning force density (Fp) of 1.6 TN/m3 was observed at 4.2 K, 15 T, for a sample deposited with growth rate of ∼5 nm/s. It had strong c-axis correlated pinning at the temperature above 20 K with the matching field of ∼5 T. A 45-m-long sample was formed by productive high growth rate over 20 nm/s, being consistent with commercial nondoped conductors. It had also large Ic of 1687 A/cm and Fp of 0.96 7 TN/m3 was obtained at 4.2 K, 15 T. The end-to-end longitudinal Ic homogeneity (σ) at 77 K in low field was evaluated to be 2.2% by magnetization. Transport in-fields Ic were also measured for the both end points at 30 K, 2 T, resulting in 1863 and 1883A/cm, respectively.

本文言語英語
論文番号7835658
ジャーナルIEEE Transactions on Applied Superconductivity
27
4
DOI
出版ステータス出版済み - 6月 2017

!!!All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 電子工学および電気工学

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