Penning de-excitation of spin-polarised metastable He atoms on magnetic surfaces: Mg on Fe (Articolo in rivista)

Type
Label
  • Penning de-excitation of spin-polarised metastable He atoms on magnetic surfaces: Mg on Fe (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S0168-583X(02)02170-5 (literal)
Alternative label
  • R. Moroni, E. Oliveri, L. Mattera (2003)
    Penning de-excitation of spin-polarised metastable He atoms on magnetic surfaces: Mg on Fe
    in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (Print); North Holland Pub. Co., Amsterdam (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • R. Moroni, E. Oliveri, L. Mattera (literal)
Pagina inizio
  • 29 (literal)
Pagina fine
  • 35 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0168583X02021705# (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 203 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Unità INFM di Genova, IMEM-CNR Sezione di Genova, Dipartimento di Fisica dell'Università di Genova, via Dodecaneso 33, I-16146 Genova, Italy (literal)
Titolo
  • Penning de-excitation of spin-polarised metastable He atoms on magnetic surfaces: Mg on Fe (literal)
Abstract
  • Surface magnetic properties of iron films upon Mg deposition have been investigated by means of spin-polarised metastable de-excitation spectroscopy (SPMDS). Deposition of 1 ML of Mg on iron films preserves the magnetic character of the topmost layer but modifies the metastable de-excitation mechanism. The reduction of the surface work function induced by Mg condensation changes the de-excitation mechanism from the one usually observed on 3d metal surfaces (resonant ionisation followed by Auger neutralisation) to Auger de-excitation. The effects induced on SPMDS spectra by the modification of the de-excitation mechanism are discussed. (literal)
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