Skyrmions in Magnetic Materials
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Beschreibung
This brief reviews current research on magnetic skyrmions, with emphasis on formation mechanisms, observation techniques, and materials design strategies. The response of skyrmions, both static and dynamical, to various electromagnetic fields is also covered in detail.
Recent progress in magnetic imaging techniques has enabled the observation of skyrmions in real space, as well as the analysis of their ordering manner and the details of their internal structure. In metallic systems, conduction electrons moving through the skyrmion spin texture gain a nontrivial quantum Berry phase, which provides topological force to the underlying spin texture and enables the current-induced manipulation of magnetic skyrmions. On the other hand, skyrmions in an insulator can induce electric polarization through relativistic spin-orbit interaction, paving the way for the control of skyrmions by an external electric field without loss of Joule heating. Because of its nanometric scale, particle nature, and electric controllability, skyrmions are considered as potential candidates for new information carriers in the next generation of spintronics devices.
Introduces the physics and chemistry of magnetic skyrmions Provides a comprehensive review of the latest experimental and theoretical work Focuses on both fundamentals and applications Covers formation mechanism, observation technique, and material design strategy, as well as skyrmions’ static and dynamical responses against various electromagnetic fields
Autor*in
Shinichiro Seki
Themen in »Skyrmions in Magnetic Materials«
Berry Phase Centrosymmetric Ferromagnets Chiral Magnets Conduction Electrons Magnetic Bubble Magnetoelectric Nature of Skyrmions Novel Information Carriers, Spintronics Skyrmion Skyrmion Spin Configuration Stabilization Skyrmion Spin Texture Skyrmions Applications Skyrmions Fundamentals Skyrmions Stabilization Skyrmions and Electric Currents Skyrmions and Electric Field