Oscillatory domain wall velocity of current-induced domain wall motion

W. J. Kim, S. M. Seo, T. D. Lee, K. J. Lee

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)

    Abstract

    We studied the effect of Oersted field (HOe) on current-induced domain wall motion (CIDWM) in magnetic nanowires. We found that HOe generates spin waves. Because of interaction between domain wall (DW) and spin wave, time-dependent wall velocity is oscillatory at the early stage of wall motion. The period of the oscillatory DW motion is in antiphase with the period of out-of-plane (OOP) magnetization oscillation inside the DW. The oscillatory wall velocity is suppressed as the thickness of nanowire decreases because of strong demagnetization field.

    Original languageEnglish
    Pages (from-to)2032-2034
    Number of pages3
    JournalJournal of Magnetism and Magnetic Materials
    Volume310
    Issue number2 SUPPL. PART 3
    DOIs
    Publication statusPublished - 2007 Mar

    Keywords

    • Domain wall motion
    • Oersted field
    • Spin wave
    • Spin-transfer torque

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics

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