Surface treatments and magnetic properties of Ga1-xMnxAs thin films (Articolo in rivista)

Type
Label
  • Surface treatments and magnetic properties of Ga1-xMnxAs thin films (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Maccherozzi, F; Panaccione, G; Rossi, G; Hochstrasser, M; Sperl, M; Reinwald, M; Woltersdorf, G; Wegscheider, W; Back, CH (2007)
    Surface treatments and magnetic properties of Ga1-xMnxAs thin films
    in Surface science
    (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)
Pagina inizio
  • 4283 (literal)
Pagina fine
  • 4287 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 601 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • INFM, CNR, Lab TASC, I-34012 Trieste, Italy; Univ Modena, Dipartimento Fis, I-41100 Modena, Italy; ETH, Festkorperphys Lab, CH-8093 Zurich, Switzerland; Univ Regensburg, Inst Phys Expt, D-93040 Regensburg, Germany (literal)
Titolo
  • Surface treatments and magnetic properties of Ga1-xMnxAs thin films (literal)
Abstract
  • As a diluted magnetic semiconductor (DMS), (Ga,Mn)As is a possible candidate for the realization of spintronics devices, due to its intrinsic compatibility with GaAs based electronics. The low Curie temperature still limits its use for practical devices. Despite the huge knowledge on GaAs surface, the (Ga,Mn)As surface is still not well understood and difficult to handle. Standard surface cleaning techniques have many drawbacks, mainly because thermal treatments changes crystal structure. We will compare the magnetic and spectroscopic properties of differently processed (Ga,Mn)As surfaces with X-ray photoemission (XPS), X-ray absorption (XAS) and X-ray magnetic circular dichroism (XMCD). Samples as-grown, chemically etched, Ar+ sputtered and annealed in oxygen will be compared. (C) 2007 Elsevier B.V. All rights reserved. (literal)
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