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2004 | 106 | 5 | 693-698
Article title

Superconducting Pinning by Magnetic Domains in a Ferromagnet-Superconductor Bilayer

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Abstracts
EN
The local flux profile and the critical current are studied using an array of Hall sensors in a ferromagnetic-superconducting bilayer which consists of niobium film covering ferromagnetic Co/Pt multilayer with perpendicular magnetic anisotropy. The results indicate about threefold enhancement of the flux pinning in niobium layer caused by the isolated magnetic domains which are created during the magnetization reversal of the Co/Pt multilayer. The geometrical barrier is absent, and the critical current is strongly peaked in close vicinity to the sample center, suggesting that the critical state differs from that predicted by the Bean model.
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Contributors
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
  • Laboratoire des Solides Irradies, CEA/DSM/DRECAM and CNRS-UMR 7642, Ecole Polytechnique, 91128 Palaiseau Cedex, France
author
  • Department of Physics and Astronomy, The John Hopkins University, Baltimore, Md, 21218, USA
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
author
  • Department of Physics and Astronomy, The John Hopkins University, Baltimore, Md, 21218, USA
author
  • Department of Physics and Astronomy, The John Hopkins University, Baltimore, Md, 21218, USA
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv106n518kz
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