Publikation:

Extraction of the spin torque non-adiabaticity from thermally activated domain wall hopping

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Hinzke etal.pdf
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2011

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Boulle, Olivier
Malinowski, Grégory
Swagten, H. J. M.
Koopmans, Bert
Ulysse, Christian
Faini, Giancarlo

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http://nbn-resolving.de/urn:nbn:de:bsz:352-183542
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https://doi.org/10.1063/1.3663215
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Applied Physics Letters. 2011, 99(24), 242501. ISSN 0003-6951. Available under: doi: 10.1063/1.3663215

Zusammenfassung

We investigate the non-adiabaticity of current-induced domain wall motion by time resolved analysis of thermally activated domain wall motion between two metastable states within a Co/Pt multilayer wire with a strong uniaxial perpendicular anisotropy. By measuring the dwell times for which the domain wall remains in one state, we deduce the non-adiabaticity factor β using two independent approaches: (i) the dependence of the dwell times on the injected current and (ii) the current-field equivalency. The comparison of the results allows us to gauge their reliability and the observed differences highlight the importance of the two dimensional (2D) nature of the domain wall.

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530 Physik

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extraction, spin torque, domain wall hopping

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ISO 690HEINEN, Jan, Denise HINZKE, Olivier BOULLE, Grégory MALINOWSKI, H. J. M. SWAGTEN, Bert KOOPMANS, Christian ULYSSE, Giancarlo FAINI, Mathias KLÄUI, 2011. Extraction of the spin torque non-adiabaticity from thermally activated domain wall hopping. In: Applied Physics Letters. 2011, 99(24), 242501. ISSN 0003-6951. Available under: doi: 10.1063/1.3663215
BibTex
@article{Heinen2011Extra-18354,
  year={2011},
  doi={10.1063/1.3663215},
  title={Extraction of the spin torque non-adiabaticity from thermally activated domain wall hopping},
  number={24},
  volume={99},
  issn={0003-6951},
  journal={Applied Physics Letters},
  author={Heinen, Jan and Hinzke, Denise and Boulle, Olivier and Malinowski, Grégory and Swagten, H. J. M. and Koopmans, Bert and Ulysse, Christian and Faini, Giancarlo and Kläui, Mathias},
  note={Article Number: 242501}
}
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