Spin-wave propagation in a microstructured magnonic crystal

A.V. Chumak, P. Pirro, A.A. Serga, Mikhail Kostylev, Robert Stamps, H. Schultheiss, K. Vogt, S.J. Hermsdoerfer, B. Laegel, P.A. Beck, B. Hillebrands

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    153 Citations (Scopus)

    Abstract

    Transmission of microwave spin waves through a microstructured magnonic crystal in the form of a Permalloy waveguide of a periodically varying width was studied experimentally and theoretically. The spin wave characteristics were measured by spatially resolved Brillouin light scattering microscopy. A rejection frequency band was clearly observed. The band gap frequency was controlled by the applied magnetic field. The measured spin-wave intensity as a function of frequency and propagation distance is in good agreement with a model calculation.
    Original languageEnglish
    Pages (from-to)Article number 262508, 3pp
    JournalApplied Physics Letters
    Volume95
    Issue number26
    DOIs
    Publication statusPublished - 2009

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