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

Y. Yamane; J. Ieda; S. Maekawa

doi:10.1063/1.4703933

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

Y. Yamane, J. Ieda, S. Maekawa

Creative Interdisciplinary Research Division

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6 Citations (Scopus)

Abstract

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 μV in a multilayered Co/Ni nanowire and several hundreds of μV in a L1 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.

Original language	English
Article number	162401
Journal	Applied Physics Letters
Volume	100
Issue number	16
DOIs	https://doi.org/10.1063/1.4703933
Publication status	Published - 2012 Apr 16

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "Stability of spinmotive force in perpendicularly magnetized nanowires under high magnetic fields",

abstract = "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 μV in a multilayered Co/Ni nanowire and several hundreds of μV in a L1 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.",

author = "Y. Yamane and J. Ieda and S. Maekawa",

note = "Funding Information: The authors are grateful to T. Seki in Institute for Materials Research, Tohoku University, for valuable comments on this work. This research was supported by a Grant-in-Aid for Scientific Research from MEXT, Japan, and Japan Society for the Promotion of Science.",

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AU - Yamane, Y.

AU - Ieda, J.

AU - Maekawa, S.

N1 - Funding Information: The authors are grateful to T. Seki in Institute for Materials Research, Tohoku University, for valuable comments on this work. This research was supported by a Grant-in-Aid for Scientific Research from MEXT, Japan, and Japan Society for the Promotion of Science.

PY - 2012/4/16

Y1 - 2012/4/16

N2 - 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 μV in a multilayered Co/Ni nanowire and several hundreds of μV in a L1 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.

AB - 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 μV in a multilayered Co/Ni nanowire and several hundreds of μV in a L1 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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Stability of spinmotive force in perpendicularly magnetized nanowires under high magnetic fields

Abstract

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