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Stability of spinmotive force in perpendicularly magnetized nanowires under high magnetic fields

Yamane, Yuta; Ieda, Junichi  ; Maekawa, Sadamichi

Spinmotive force induced by domain wall motion in perpendicularly magnetized nanowires is numerically demonstrated. We show that using nanowires with large magnetic anisotropy can lead to a high stability of spinmotive force under strong magnetic fields. We observe spinmotive force in the order of tens of $$mu$$V in a multilayered Co/Ni nanowire and several hundreds of $$mu$$V in a $$L$$1$$_{0}$$-ordered FePt nanowire; the latter is two orders of magnitude greater than that in permalloy nanowires reported previously. The narrow structure and low mobility of a domain wall under magnetic fields in perpendicularly magnetized nanowires permits downsizing of spinmotive force devices.



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Category:Physics, Applied



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