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Critical Currents of (103)- and (001)-Oriented Y-Ba-Cu-O Thin Films

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Advances in Superconductivity III

Abstract

Critical currents and flux pinning were examined in (103)- and (001)-oriented YBa2Cu3O7−x thin films at liquid nitrogen temperature (77.3K) under magnetic fields applied perpendicular to the film surface. Measurements were made in the [010] and [301] transport current directions for the (103)-oriented films. The field-dependent terms of the pinning force density F p were found to be described by the single Kramer scaling law irrespective of crystallographic orientation and transport current direction: F p/F maxp ∝ b 1/2(1 − b)2, where F maxp is the maximum pinning force density and b is the reduced field defined as b ≡ B/B i (B i: irreversibility field).

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Authors and Affiliations

  1. NTT Applied Electronics Laboratories, Tokai, Ibaraki, 319-11, Japan

    Shugo Kubo, Yoichi Enomoto & Tsunekazu Iwata

Authors
  1. Shugo Kubo
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  2. Yoichi Enomoto
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  3. Tsunekazu Iwata
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Editors and Affiliations

  1. Electrotechnical Laboratory, Umezono, Tsukuba 305, Japan

    Koji Kajimura

  2. School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464, Japan

    Hisao Hayakawa

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© 1991 Springer-Verlag Tokyo

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Kubo, S., Enomoto, Y., Iwata, T. (1991). Critical Currents of (103)- and (001)-Oriented Y-Ba-Cu-O Thin Films. In: Kajimura, K., Hayakawa, H. (eds) Advances in Superconductivity III. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68141-0_125

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  • DOI: https://doi.org/10.1007/978-4-431-68141-0_125

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-68143-4

  • Online ISBN: 978-4-431-68141-0

  • eBook Packages: Springer Book Archive

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