Dynamics of the Bloch point in an asymmetric permalloy disk

Mi-Young Im; Hee-Sung Han; Min-Seung Jung; Young-Sang Yu; Sooseok Lee; Seongsoo Yoon; Weilun Chao; Peter Fischer; Jung-Il Hong; Ki-Suk Lee

doi:10.1038/s41467-019-08327-6

Nature Communications (Feb 2019)

Dynamics of the Bloch point in an asymmetric permalloy disk

Mi-Young Im,
Hee-Sung Han,
Min-Seung Jung,
Young-Sang Yu,
Sooseok Lee,
Seongsoo Yoon,
Weilun Chao,
Peter Fischer,
Jung-Il Hong,
Ki-Suk Lee

Affiliations

Mi-Young Im: Center for X-ray Optics, Lawrence Berkeley National Laboratory
Hee-Sung Han: School of Materials Science and Engineering, Ulsan National Institute of Science and Technology
Min-Seung Jung: Department of Emerging Materials Science, DGIST
Young-Sang Yu: Advanced Light Source, Lawrence Berkeley National Laboratory
Sooseok Lee: School of Materials Science and Engineering, Ulsan National Institute of Science and Technology
Seongsoo Yoon: Department of Emerging Materials Science, DGIST
Weilun Chao: Center for X-ray Optics, Lawrence Berkeley National Laboratory
Peter Fischer: Materials Sciences Division, Lawrence Berkeley National Laboratory
Jung-Il Hong: Department of Emerging Materials Science, DGIST
Ki-Suk Lee: School of Materials Science and Engineering, Ulsan National Institute of Science and Technology

DOI: https://doi.org/10.1038/s41467-019-08327-6
Journal volume & issue: Vol. 10, no. 1
pp. 1 – 8

Abstract

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The intrinsic nature and dynamics of a Bloch point has not been verified so far. Here, Im et al. report the realization and dynamical character of steady-state Bloch points in the magnetic vortex cores in asymmetrically shaped Ni80Fe20 nanodisks.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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