Influence of surface treatment on the magnetic properties of GaxMn1-xAs thin films (Articolo in rivista)

Type
Label
  • Influence of surface treatment on the magnetic properties of GaxMn1-xAs thin films (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Maccherozzi, F; Panaccione, G; Rossi, G; Hochstrasser, M; Sperl, M; Reinwald, M; Woltersdorf, G; Wegscheider, W; Back, CH (2006)
    Influence of surface treatment on the magnetic properties of GaxMn1-xAs thin films
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Maccherozzi, F; Panaccione, G; Rossi, G; Hochstrasser, M; Sperl, M; Reinwald, M; Woltersdorf, G; Wegscheider, W; Back, CH (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 74 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • INFM, CNR, Lan Nazl TASC, I-34012 Trieste, Italy; Univ Modena, Dipartimento Fis, I-41100 Modena, Italy; ETH Honggerberg, Lab Festkorperphys, CH-8093 Zurich, Switzerland; Univ Regensburg, Inst Expt Phys, D-93040 Regensburg, Germany (literal)
Titolo
  • Influence of surface treatment on the magnetic properties of GaxMn1-xAs thin films (literal)
Abstract
  • We present a surface science study on carefully characterized GaxMn1-xAs films grown on GaAs(100), where we investigate the influence on magnetic properties of different surface cleaning procedures. X-ray magnetic circular dichroism reveals a net remnant magnetization along the (100) axis, after chemical etching is performed. The analysis of Mn L-2,L-3 XAS line shapes in different environment indicates that Mn in GaxMn1-xAs behaves as a bulk impurity. By exploiting the different depth sensitivity between x-ray photoemission and x-ray absorption we observe the presence of a Mn depleted layer at the surface after etching. (literal)
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