Skyrmion Lattice in a Chiral Magnet

S. Mühlbauer, B. Binz, F. Jonietz, C. Pfleiderer, A. Rosch, A. Neubauer, R. Georgii, P. Böni

doi:10.1126/science.1166767

Skyrmion Lattice in a Chiral Magnet

DOI Web Site 被引用文献648件

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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説明

<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>