Current-induced domain wall motion in Co/Pt nanowires : Separating spintorque and Oersted-field effects

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2010
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Boulle, Olivier
Rousseau, Kevin
Swagten, Henk J. M.
Koopmans, Bert
Ulysse, C.
Faini, G.
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Applied Physics Letters. 2010, 96, 202510. Available under: doi: 10.1063/1.3405712
Zusammenfassung

We report on low temperature current induced domain wall depinning experiments on (Co/Pt) multilayer nanowires with perpendicular magnetization. Using a special experimental scheme, we are able to extract the different contributions of the Oersted field and spin torque from the dependence of the depinning field on the injected current for selected magnetization configurations. The spin torque contribution is found to be dominant with a small contribution of the Oersted field leading to a nonadiabaticity factor beta in line with previous measurements.

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ISO 690HEINEN, Jan, Olivier BOULLE, Kevin ROUSSEAU, Gregory MALINOWSKI, Mathias KLÄUI, Henk J. M. SWAGTEN, Bert KOOPMANS, C. ULYSSE, G. FAINI, 2010. Current-induced domain wall motion in Co/Pt nanowires : Separating spintorque and Oersted-field effects. In: Applied Physics Letters. 2010, 96, 202510. Available under: doi: 10.1063/1.3405712
BibTex
@article{Heinen2010Curre-9183,
  year={2010},
  doi={10.1063/1.3405712},
  title={Current-induced domain wall motion in Co/Pt nanowires : Separating spintorque and Oersted-field effects},
  volume={96},
  journal={Applied Physics Letters},
  author={Heinen, Jan and Boulle, Olivier and Rousseau, Kevin and Malinowski, Gregory and Kläui, Mathias and Swagten, Henk J. M. and Koopmans, Bert and Ulysse, C. and Faini, G.},
  note={Article Number: 202510}
}
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