Electron coherence and magnetic structure in a nanostructured ferromagnetic ring

E. Saitoh; S. Kasai; H. Miyajima; T. Yamaoka

doi:10.1063/1.1854511

Electron coherence and magnetic structure in a nanostructured ferromagnetic ring

E. Saitoh, S. Kasai, H. Miyajima, T. Yamaoka

Research output: Contribution to journal › Article › peer-review

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Abstract

The external-magnetic-field dependence of the Aharonov-Bohm oscillation in a ferromagnetic Fe19 Ni81 nanoring was measured. The amplitude of the Aharonov-Bohm oscillation is suppressed above the magnetization saturation, which can be argued in terms of the magnetic flux density in the ring body. In the vicinity of the magnetization saturation, the oscillation almost vanishes, which is relevant to the magnetic fluctuation affected by the competition between the shape magnetic anisotropy and the external magnetic field.

Original language	English
Article number	10J709
Journal	Journal of Applied Physics
Volume	97
Issue number	10
DOIs	https://doi.org/10.1063/1.1854511
Publication status	Published - 2005 May 15
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1063/1.1854511

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title = "Electron coherence and magnetic structure in a nanostructured ferromagnetic ring",

abstract = "The external-magnetic-field dependence of the Aharonov-Bohm oscillation in a ferromagnetic Fe19 Ni81 nanoring was measured. The amplitude of the Aharonov-Bohm oscillation is suppressed above the magnetization saturation, which can be argued in terms of the magnetic flux density in the ring body. In the vicinity of the magnetization saturation, the oscillation almost vanishes, which is relevant to the magnetic fluctuation affected by the competition between the shape magnetic anisotropy and the external magnetic field.",

author = "E. Saitoh and S. Kasai and H. Miyajima and T. Yamaoka",

note = "Funding Information: The authors thank G. Tatara for discussions. This work was supported by a Grant-in-Aid from the Ministry of Education, Culture, Sports, Science and Technology of Japan.",

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T1 - Electron coherence and magnetic structure in a nanostructured ferromagnetic ring

AU - Saitoh, E.

AU - Kasai, S.

AU - Miyajima, H.

AU - Yamaoka, T.

N1 - Funding Information: The authors thank G. Tatara for discussions. This work was supported by a Grant-in-Aid from the Ministry of Education, Culture, Sports, Science and Technology of Japan.

PY - 2005/5/15

Y1 - 2005/5/15

N2 - The external-magnetic-field dependence of the Aharonov-Bohm oscillation in a ferromagnetic Fe19 Ni81 nanoring was measured. The amplitude of the Aharonov-Bohm oscillation is suppressed above the magnetization saturation, which can be argued in terms of the magnetic flux density in the ring body. In the vicinity of the magnetization saturation, the oscillation almost vanishes, which is relevant to the magnetic fluctuation affected by the competition between the shape magnetic anisotropy and the external magnetic field.

AB - The external-magnetic-field dependence of the Aharonov-Bohm oscillation in a ferromagnetic Fe19 Ni81 nanoring was measured. The amplitude of the Aharonov-Bohm oscillation is suppressed above the magnetization saturation, which can be argued in terms of the magnetic flux density in the ring body. In the vicinity of the magnetization saturation, the oscillation almost vanishes, which is relevant to the magnetic fluctuation affected by the competition between the shape magnetic anisotropy and the external magnetic field.

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DO - 10.1063/1.1854511

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Electron coherence and magnetic structure in a nanostructured ferromagnetic ring

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