Guided skyrmion motion along pinning array interfaces
Journal of Magnetism and Magnetic Materials(2021)
Abstract
•Driving magnetic skyrmions with a biharmonic ac current can produce novel transport behavior.•Directed skyrmion transport can occur along an interface in an obstacle lattice.•Skyrmions are guided by a straight interface and can turn corners to follow an interface.•A square obstacle lattice can transport skyrmions in all four symmetry directions under fixed ac driving.
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Key words
Skyrmion,Ratchet effects,Edge transport
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