Asymmetric Pt/Co/Pt-stack induced sign-control of current-induced magnetic domain-wall creep

R. Lavrijsen, P.P.J. Haazen, E. Murè, J.H. Franken, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans

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30 Citations (Scopus)
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We report experimentally obtained magnetic domain wall (DW) velocities of current-assisted field-driven DW creep in perpendicularly magnetized Pt/Co/Pt. We have intentionally introduced an asymmetry in the stacks by using different thicknesses of the two Pt layers sandwiching the Co layer. Thereby, it is tested whether conflicting current-induced domain wall motion (CI-DWM) results may be intrinsically related to the basic layout and growth. We sketch a scenario which could be at the basis of contradicting reports in literature where the direction of CI-DWM conflicts with spin-torque-transfer theory, allowing the sign of the current-induced effect on DW motion to be tuned.
Original languageEnglish
Article number262408
Pages (from-to)262408-1/5
Number of pages5
JournalApplied Physics Letters
Issue number26
Publication statusPublished - 2012


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