Guided Skyrmion Motion Along Pinning Array Interfaces
N. P. Vizarim,
C. Reichhardt,
P. A. Venegas
et al.
Abstract:We examine ac driven skyrmions interacting with the interface between two different obstacle array structures. We consider drive amplitudes at which skyrmions in a bulk obstacle lattice undergo only localized motion and show that when an obstacle lattice interface is introduced, directed skyrmion transport can occur along the interface. The skyrmions can be guided by a straight interface and can also turn corners to follow the interface. For a square obstacle lattice embedded in a square pinning array with a l… Show more
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