Anisotropy of the Critical Current Density and Intrinsic Pinning Behaviors of YBa2Cu3Oy Coated Conductors

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概要

• 論文の詳細を見る

• The intrinsic pinning mechanism of YBa2Cu3Oy coated conductors was investigated in terms of the anisotropy of $J_{\text{c}}$. The dissipation in the intrinsic pinning is mainly due to the double-kink excitation of the pinned vortices in the intermediate temperature region between 70 and 40 K. In this temperature region, the $n$-value is as small as about 8--10. At low temperature below 20 K, however, $n$-values become large and $J_{\text{c}}$ is independent of the magnetic field because of the reduction of the double-kink excitation of the vortices.

• 2011-01-25

著者

• Awaji Satoshi

  Institute For Materials Research Tohoku University

• Nagaya Shigeo

  Chubu Electric Power Co.

• Watanabe Kazuo

  Institute For Materials Research Tohoku University

• HIRANO Naoki

  Chubu Electric Power Co.,

• Hirano Naoki

  Chubu Electric Power, Co., Inc., Nagoya 459-8522, Japan

• Ishihara Ryoshuke

  Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan

• Shikimachi Koji

  Chubu Electric Power, Co., Inc., Nagoya 459-8522, Japan

• AWAJI Satoshi

  Institute for Matererials Research, Tohoku University

• WATANABE Kazuo

  Institute for Matererials Research, Tohoku University

• Watanabe Kazuo

  Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan

• Awaji Satoshi

  Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan

• Nagaya Shigeo

  Chubu Electric Power, Co., Inc., Nagoya 459-8522, Japan

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