Structure and electronic properties of Fe nanostructures on MgO(001) (Articolo in rivista)

Type
Label
  • Structure and electronic properties of Fe nanostructures on MgO(001) (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Luches, P; Torelli, P; Benedetti, S; Ferramola, E; Gotter, R; Valeri, S (2007)
    Structure and electronic properties of Fe nanostructures on MgO(001)
    in Surface science
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Luches, P; Torelli, P; Benedetti, S; Ferramola, E; Gotter, R; Valeri, S (literal)
Pagina inizio
  • 3902 (literal)
Pagina fine
  • 3906 (literal)
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  • 601 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • INFM, CNR, S3, I-41100 Modena, Italy; Univ Modena & Reggio Emilia, Dept Phys, I-41100 Modena, Italy; INFM, CNR, TASC, I-34012 Basovizza, TS, Italy (literal)
Titolo
  • Structure and electronic properties of Fe nanostructures on MgO(001) (literal)
Abstract
  • We present and discuss X-ray absorption spectroscopy and resonant photoemission measurements on Fe nanostructures self-assembled on MgO(001). For Fe coverages below 1 ML equivalent we measured an increase of the Fe L-23 branching ratio and changes in the splitting, widths and relative intensities of the different final states in the L3M23M23 resonant Auger peak. Scanning tunnelling microscopy indicates that the average lateral dimensions of the self-aggregated structures decrease with decreasing Fe amount, from 12 nm at 15 ML nominal Fe amount to 5 nm at 2 ML Fe. This observation allows to interpret the observed changes in the 3d band electronic properties in terms of the evolution of the Fe local atomic coordination from a bulk-like situation to a configuration where low dimensionality effects are significant. (C) 2007 Elsevier B.V. All rights reserved. (literal)
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