Direct observation and imaging of a spin-wave soliton with p-like symmetry

S. Bonetti, R. Kukreja, Z. Chen, F. Macià, J. M. Hernàndez, A. Eklund, D. Backes, J. Frisch, J. Katine, G. Malm, S. Urazhdin, A. D. Kent, J. Stöhr, H. Ohldag, H. A. Dürr

    Research output: Contribution to journalArticle

    Abstract

    Spin waves, the collective excitations of spins, can emerge as nonlinear solitons at the nanoscale when excited by an electrical current from a nanocontact. These solitons are expected to have essentially cylindrical symmetry (that is, s-like), but no direct experimental observation exists to confirm this picture. Using a high-sensitivity time-resolved magnetic X-ray microscopy with 50ps temporal resolution and 35nm spatial resolution, we are able to create a real-space spin-wave movie and observe the emergence of a localized soliton with a nodal line, that is, with p-like symmetry. Micromagnetic simulations explain the measurements and reveal that the symmetry of the soliton can be controlled by magnetic fields. Our results broaden the understanding of spin-wave dynamics at the nanoscale, with implications for the design of magnetic nanodevices.

    Original languageEnglish (US)
    Article number8889
    JournalNature Communications
    Volume6
    DOIs
    StatePublished - Nov 16 2015

    Fingerprint

    Spin waves
    Solitons
    magnons
    solitary waves
    Observation
    Imaging techniques
    symmetry
    Magnetic Fields
    Motion Pictures
    Microscopy
    X-Rays
    temporal resolution
    Microscopic examination
    spatial resolution
    Magnetic fields
    microscopy
    X rays
    sensitivity
    magnetic fields
    excitation

    ASJC Scopus subject areas

    • Biochemistry, Genetics and Molecular Biology(all)
    • Chemistry(all)
    • Physics and Astronomy(all)

    Cite this

    Bonetti, S., Kukreja, R., Chen, Z., Macià, F., Hernàndez, J. M., Eklund, A., ... Dürr, H. A. (2015). Direct observation and imaging of a spin-wave soliton with p-like symmetry. Nature Communications, 6, [8889]. https://doi.org/10.1038/ncomms9889

    Direct observation and imaging of a spin-wave soliton with p-like symmetry. / Bonetti, S.; Kukreja, R.; Chen, Z.; Macià, F.; Hernàndez, J. M.; Eklund, A.; Backes, D.; Frisch, J.; Katine, J.; Malm, G.; Urazhdin, S.; Kent, A. D.; Stöhr, J.; Ohldag, H.; Dürr, H. A.

    In: Nature Communications, Vol. 6, 8889, 16.11.2015.

    Research output: Contribution to journalArticle

    Bonetti, S, Kukreja, R, Chen, Z, Macià, F, Hernàndez, JM, Eklund, A, Backes, D, Frisch, J, Katine, J, Malm, G, Urazhdin, S, Kent, AD, Stöhr, J, Ohldag, H & Dürr, HA 2015, 'Direct observation and imaging of a spin-wave soliton with p-like symmetry', Nature Communications, vol. 6, 8889. https://doi.org/10.1038/ncomms9889
    Bonetti S, Kukreja R, Chen Z, Macià F, Hernàndez JM, Eklund A et al. Direct observation and imaging of a spin-wave soliton with p-like symmetry. Nature Communications. 2015 Nov 16;6. 8889. https://doi.org/10.1038/ncomms9889
    Bonetti, S. ; Kukreja, R. ; Chen, Z. ; Macià, F. ; Hernàndez, J. M. ; Eklund, A. ; Backes, D. ; Frisch, J. ; Katine, J. ; Malm, G. ; Urazhdin, S. ; Kent, A. D. ; Stöhr, J. ; Ohldag, H. ; Dürr, H. A. / Direct observation and imaging of a spin-wave soliton with p-like symmetry. In: Nature Communications. 2015 ; Vol. 6.
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    AU - Eklund, A.

    AU - Backes, D.

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