A novel 2-dimensional artificial pinning center

M. Takamura, M. Mukaida, S. Horii, A. Ichinose, R. Kita, S. Kato, K. Matsumoto, Y. Yoshida, M. Namba, S. Awaji, K. Watanabe, R. Teranishi, K. Yamada, N. Mori, Y. Hisatsune

研究成果: Article査読

抄録

To increase critical current density (JC) in magnetic fields (B) parallel to the c-axis, 2-dimensional artificial pinning centers (APCs) are introduced into YBa2Cu3O7-δ (Y123) films. Multilayer films alternately stacked a-axis oriented Y123 and Pr123 (Y123/Pr123 multilayer films) have been grown on SrLaGaO4 substrates by pulsed laser deposition. Magnetic field angular dependences of the JC showed peaks not only in B // a-axis but also in B // c-axis of the Y123/Pr123 multilayer films. This result indicates that the Y123/Pr123 multilayer films have c-axis-correlated pinning centers. Consequently, it is suggested that the Pr123 layers act as 2-dimentional APCs.

本文言語English
論文番号012153
ジャーナルJournal of Physics: Conference Series
97
1
DOI
出版ステータスPublished - 2008 2月 1
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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