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Magnetism and structure of hexagonal Fe in Fe/Ru superlattices

  • Surface Phenomena, Catalysis, Corrosion
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Abstract

Mössbauer spectroscopy is applied to study the magnetism and the local structure of Fe/Ru superlattices. Fe Layers show hcp structure, isomorphous with Ru. A well-defined symmetry is observed at Fe sites, withV zz along thec axis. The Fe/Ru interfaces are non-magnetic over the two first layers, but a large moment (2μB/Fe) exists beyond. Magnetic coupling between neighbouring Fe Layers is observed at small spacing, i.e. for Ru thickness lower than 13 Å typically.

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Sanchez, J.P., Ravet, M.F., Piecuch, M. et al. Magnetism and structure of hexagonal Fe in Fe/Ru superlattices. Hyperfine Interact 57, 2077–2081 (1990). https://doi.org/10.1007/BF02405766

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