Skyrmion Lattice in a Chiral Magnet

DOI Web Site 648 Citations
  • S. Mühlbauer
    Physik Department E21, Technische Universität München, D-85748 Garching, Germany.
  • B. Binz
    Physik Department E21, Technische Universität München, D-85748 Garching, Germany.
  • F. Jonietz
    Physik Department E21, Technische Universität München, D-85748 Garching, Germany.
  • C. Pfleiderer
    Physik Department E21, Technische Universität München, D-85748 Garching, Germany.
  • A. Rosch
    Physik Department E21, Technische Universität München, D-85748 Garching, Germany.
  • A. Neubauer
    Physik Department E21, Technische Universität München, D-85748 Garching, Germany.
  • R. Georgii
    Physik Department E21, Technische Universität München, D-85748 Garching, Germany.
  • P. Böni
    Physik Department E21, Technische Universität München, D-85748 Garching, Germany.

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Description

<jats:p>Skyrmions represent topologically stable field configurations with particle-like properties. We used neutron scattering to observe the spontaneous formation of a two-dimensional lattice of skyrmion lines, a type of magnetic vortex, in the chiral itinerant-electron magnet MnSi. The skyrmion lattice stabilizes at the border between paramagnetism and long-range helimagnetic order perpendicular to a small applied magnetic field regardless of the direction of the magnetic field relative to the atomic lattice. Our study experimentally establishes magnetic materials lacking inversion symmetry as an arena for new forms of crystalline order composed of topologically stable spin states.</jats:p>

Journal

  • Science

    Science 323 (5916), 915-919, 2009-02-13

    American Association for the Advancement of Science (AAAS)

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