Probing local spin modes in exchange-biased MTJ elements

  • J.H.H. Rietjens
  • , C. Józsa
  • , H. Boeve
  • , W.J.M. Jonge, de
  • , B. Koopmans

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdrageAcademic

3 Citaten (Scopus)
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Samenvatting

We have studied the local magnetization dynamics in exchange-biased magnetic tunnel junction (MTJ) elements, by time-resolved magneto-optical Kerr effect measurements. We have observed a strong spatial dependence of the frequency and damping of the precessional motion in the free layer. A local edge mode has been detected, as well as increased damping at the edges. The experimental results are in good agreement with micromagnetic simulations, in which the stray field from the pinned layer of the MTJ is included.
Originele taal-2Engels
TitelProceedings of the Joint European Magnetic Symposia (JEMS 2004), 5-10 September 2004, Dresden, Germany
Pagina's494-497
DOI's
StatusGepubliceerd - 2005

Publicatie series

NaamJournal of Magnetism and Magnetic Materials
Volume290-291
ISSN van geprinte versie0304-8853

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