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2018 | 133 | 3 | 601-604
Article title

Exchange Coupling Effects in Naturally Oxidised Ultrathin Iron Film

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Abstracts
EN
Oxidation process of Fe films under atmospheric conditions is depth limited such that an oxide covering layer with a well-defined thickness is formed by which the underlying metal is prevented from further oxidation. Iron thin film with an initial thickness d_{i}=4 nm was deposited onto 1.6 nm - V(110) buffer layer using UHV magnetron sputtering. The planar growth of Fe oxides was revealed by atomic force microscopy. X-ray photoelectron spectroscopy studies performed after 250 days of oxidation revealed formation of a hematite (α-Fe₂O₃) ultrathin film on the metallic rest of iron. Furthermore, low temperature magnetic measurements of the oxidised Fe ultrathin film revealed an exchange anisotropy which is imposed to the metallic rest. As a result, we have observed at low temperatures a shift and broadening of the hysteresis loops due to the exchange interaction at the metal-oxide interface.
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Contributors
  • Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland
  • Faculty of Physics, Adam Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland
  • Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland
author
  • Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland
  • Faculty of Technical Physics, Poznań University of Technology, Piotrowo 3, 60-965 Poznań, Poland
author
  • Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland
  • Faculty of Technical Physics, Poznań University of Technology, Piotrowo 3, 60-965 Poznań, Poland
author
  • Faculty of Technical Physics, Poznań University of Technology, Piotrowo 3, 60-965 Poznań, Poland
author
  • Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland
  • Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland
  • Faculty of Technical Physics, Poznań University of Technology, Piotrowo 3, 60-965 Poznań, Poland
author
  • Faculty of Technical Physics, Poznań University of Technology, Piotrowo 3, 60-965 Poznań, Poland
author
  • Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv133n3p082kz
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