Magnetism of ordered Sm/Co(0001) surface structures

JE Prieto, O Krupin, Serguei Gorovikov, K Dobrich, G Kaindl, K Starke

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review


The epitaxial system Sm/Co(0001) was studied for Sm coverages up to 1 monolayer (ML) on top of ultrathin Co/W(110) epitaxial films. Two ordered phases were found for 1/3 and 1 ML Sm, respectively. The valence state of Sm was determined by means of photoemission and magnetic properties were measured by magneto-optical Kerr effect. We find that 1 ML Sm causes a strong increase of the coercivity with respect to that of the underlying Co film. Element-specific hysteresis loops, measured by using resonant soft x-ray reflectivity, show the same magnetic behavior for the two elements.
TidskriftPhysical Review B (Condensed Matter and Materials Physics)
StatusPublished - 2005

Ämnesklassifikation (UKÄ)

  • Fysik
  • Naturvetenskap


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