Layer-resolved imaging of domain wall interactions in magnetic tunnel junction-like trilayers (Articolo in rivista)

Type
Label
  • Layer-resolved imaging of domain wall interactions in magnetic tunnel junction-like trilayers (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0953-8984/19/47/476204 (literal)
Alternative label
  • Vogel, J; Cherifi, S; Pizzini, S; Romanens, F; Camarero, J; Petroff, F; Heun, S; Locatelli, A (2007)
    Layer-resolved imaging of domain wall interactions in magnetic tunnel junction-like trilayers
    in Journal of physics. Condensed matter (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Vogel, J; Cherifi, S; Pizzini, S; Romanens, F; Camarero, J; Petroff, F; Heun, S; Locatelli, A (literal)
Pagina inizio
  • 476204 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 19 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNRS, Inst Neel, F-38042 Grenoble 9, France; Univ Grenoble 1, F-38042 Grenoble, France; Univ Autonoma Madrid, Dept Fis Mat Condensada, E-28049 Madrid, Spain; CNRS Thales, Unite Mixte Phys, F-91767 Palaiseau, France; Univ Paris 11, F-91405 Orsay, France; Lab Nazl TASC, I-34012 Trieste, Italy; Sincrotrone Trieste SCpA, I-34012 Trieste, Italy (literal)
Titolo
  • Layer-resolved imaging of domain wall interactions in magnetic tunnel junction-like trilayers (literal)
Abstract
  • We have performed a layer-resolved, microscopic study of interactions between domain walls in two magnetic layers separated by a non-magnetic one, using high-resolution x-ray photoemission electron microscopy. Domain walls in the hard magnetic Co layer of a Co/Al2O3/FeNi trilayer with in-plane uniaxial anisotropy strongly modify the local magnetization direction in the soft magnetic FeNi layer. The stray fields associated with the domain walls lead to an antiparallel coupling between the local Co and FeNi moments. For domain walls parallel to the easy magnetization axis, this interaction is limited to the domain wall region itself. For strongly charged ( head-on or tail-to-tail) walls, the antiparallel coupling dominates the interaction over radial distances up to several micrometres from the centre of the domain wall. (literal)
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