Growth of ultrathin epitaxial Fe/MgO spin injector on (0,0,1) (Ga, Mn)As (Articolo in rivista)

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  • Growth of ultrathin epitaxial Fe/MgO spin injector on (0,0,1) (Ga, Mn)As (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0957-4484/23/46/465202 (literal)
Alternative label
  • Torelli, P[ 1 ] ; Sperl, M [ 2 ] ; Ciancio, R [ 1 ] ; Fujii, J [ 1 ] ; Rinaldi, C [ 3,4 ] ; Cantoni, M [ 3,4 ] ; Bertacco, R [ 3,4 ] ; Utz, M [ 2 ] ; Bougeard, D [ 2 ] ; Soda, M [ 2 ] ; Carlino, E [ 1 ] ; Rossi, G [ 1,5 ] ; Back, CH [ 2 ] ; Panaccione, G [ 1 ] (2012)
    Growth of ultrathin epitaxial Fe/MgO spin injector on (0,0,1) (Ga, Mn)As
    in Nanotechnology (Bristol, Online); IOP Publishing Ltd., Bristol BS1 6BE (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Torelli, P[ 1 ] ; Sperl, M [ 2 ] ; Ciancio, R [ 1 ] ; Fujii, J [ 1 ] ; Rinaldi, C [ 3,4 ] ; Cantoni, M [ 3,4 ] ; Bertacco, R [ 3,4 ] ; Utz, M [ 2 ] ; Bougeard, D [ 2 ] ; Soda, M [ 2 ] ; Carlino, E [ 1 ] ; Rossi, G [ 1,5 ] ; Back, CH [ 2 ] ; Panaccione, G [ 1 ] (literal)
Pagina inizio
  • 465202 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 23 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 46 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 ] IOM CNR, Lab TASC, I-34149 Trieste, Italy [ 2 ] Univ Regensburg, Inst Expt Phys, D-93040 Regensburg, Germany [ 3 ] Politecn Milan, CNISM, I-22100 Como, Italy [ 4 ] Politecn Milan, L NESS, I-22100 Como, Italy [ 5 ] Univ Modena & Reggio Emilia, Dipartimento Fis, I-41100 Modena, Italy (literal)
Titolo
  • Growth of ultrathin epitaxial Fe/MgO spin injector on (0,0,1) (Ga, Mn)As (literal)
Abstract
  • We have grown an ultrathin epitaxial Fe/MgO bilayer on (Ga, Mn)As by e-beam evaporation in UHV. The system structure has been investigated by high resolution transmission electron microscopy (TEM) experiments which show that the Fe and MgO films, covering completely the (Ga, Mn) As, grow with the epitaxial relationship Fe[100](001) parallel to begin_of_the_skype_highlighting (001) parallel to FREE end_of_the_skype_highlighting MgO[110](001) parallel to (Ga, Mn)As[110](001). The magnetic reversal process, studied by the magneto-optical Kerr effect (MOKE) at room temperature, demonstrates that the iron is ferromagnetic and possesses a cubic anisotropy, confirming the epitaxy relationship found with TEM. Resistivity measurements across the barrier display a non-Ohmic behavior characterized by cubic conductance as a function of the applied voltage suggesting tunneling-dominated transport across the barrier. (literal)
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