On the spin polarization at the Fe3O4/gamma-Al2O3 interface probed by spin-resolved photoemission and spin-dependent tunneling (Articolo in rivista)

Type
Label
  • On the spin polarization at the Fe3O4/gamma-Al2O3 interface probed by spin-resolved photoemission and spin-dependent tunneling (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Bataille, AM; Mattana, R; Seneor, P; Tagliaferri, A; Gota, S; Bouzehouane, K; Deranlot, C; Guittet, MJ; Moussy, JB; de Nadai, C; Brookes, NB; Petroff, F; Gautier-Soyer, M (2007)
    On the spin polarization at the Fe3O4/gamma-Al2O3 interface probed by spin-resolved photoemission and spin-dependent tunneling
    in Journal of magnetism and magnetic materials
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bataille, AM; Mattana, R; Seneor, P; Tagliaferri, A; Gota, S; Bouzehouane, K; Deranlot, C; Guittet, MJ; Moussy, JB; de Nadai, C; Brookes, NB; Petroff, F; Gautier-Soyer, M (literal)
Pagina inizio
  • E963 (literal)
Pagina fine
  • E965 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 316 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CEA Saclay, DRECAM, SPCSI, F-91191 Gif Sur Yvette, France; Univ Paris 11, F-91405 Orsay, France; Unite Mixte Phys CNRS Thales, F-91767 Palaiseau, France; Politecn Milan, Dipartimento Fis, INFM, I-20133 Milan, Italy; European Synchrotron Radiat Facil, F-38043 Grenoble, France (literal)
Titolo
  • On the spin polarization at the Fe3O4/gamma-Al2O3 interface probed by spin-resolved photoemission and spin-dependent tunneling (literal)
Abstract
  • We report on two independent measurements of the spin polarization at the Fe3O4/gamma-Al2O3 interface. Fe3O4/gamma-Al2O3 (111) bilayers have been epitaxially grown by oxygen-assisted molecular beam epitaxy onto alpha-Al2O3 (0001) substrates and some were covered ex situ by a cobalt electrode. Spin resolved photoemission yield to a negative spin polarization (similar or equal to -40 %) while transport measurements on Fe3O4/gamma-Al2O3/Co magnetic tunnel junctions show a positive TMR, which suggest that the tunnel spin polarization at the Fe3O4/gamma-Al2O3 interface is positive. (c) 2007 Elsevier B.V. All rights reserved. (literal)
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