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Magnetic skyrmion bubble motion driven by surface acoustic waves

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      Most cited references 47

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      Magnetic domain-wall racetrack memory.

      Recent developments in the controlled movement of domain walls in magnetic nanowires by short pulses of spin-polarized current give promise of a nonvolatile memory device with the high performance and reliability of conventional solid-state memory but at the low cost of conventional magnetic disk drive storage. The racetrack memory described in this review comprises an array of magnetic nanowires arranged horizontally or vertically on a silicon chip. Individual spintronic reading and writing nanodevices are used to modify or read a train of approximately 10 to 100 domain walls, which store a series of data bits in each nanowire. This racetrack memory is an example of the move toward innately three-dimensional microelectronic devices.
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        Skyrmions on the track.

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          Topological properties and dynamics of magnetic skyrmions.

          Magnetic skyrmions are particle-like nanometre-sized spin textures of topological origin found in several magnetic materials, and are characterized by a long lifetime. Skyrmions have been observed both by means of neutron scattering in momentum space and microscopy techniques in real space, and their properties include novel Hall effects, current-driven motion with ultralow current density and multiferroic behaviour. These properties can be understood from a unified viewpoint, namely the emergent electromagnetism associated with the non-coplanar spin structure of skyrmions. From this description, potential applications of skyrmions as information carriers in magnetic information storage and processing devices are envisaged.
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            Author and article information

            Affiliations
            [1 ]Department of Physics and Astronomy and Nebraska Center for Materials and Nanoscience, University of Nebraska, Lincoln, Nebraska 68588, USA
            Journal
            Applied Physics Letters
            Appl. Phys. Lett.
            AIP Publishing
            0003-6951
            1077-3118
            March 12 2018
            March 12 2018
            : 112
            : 11
            : 112404
            10.1063/1.5013620
            © 2018

            https://publishing.aip.org/authors/rights-and-permissions

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