The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.
Current-driven dynamics and inhibition of the skyrmion Hall effect of ferrimagnetic skyrmions in GdFeCo films
Open accessAbstract
Magnetic skyrmions are swirling magnetic textures with novel characteristics suitable for future spintronic and topological applications. Recent studies confirmed the room-temperature stabilization of skyrmions in ultrathin ferromagnets. However, such ferromagnetic skyrmions show an undesirable topological effect, the skyrmion Hall effect, which leads to their current-driven motion towards device edges, where skyrmions could easily be annihilated by topographic defects. Recent theoretical studies have predicted enhanced current-driven behavior for antiferromagnetically exchange-coupled skyrmions. Here we present the stabilization of these skyrmions and their current-driven dynamics in ferrimagnetic GdFeCo films. By utilizing element-specific X-ray imaging, we find that the skyrmions in the Gd and FeCo sublayers are antiferromagnetically exchange-coupled. We further confirm that ferrimagnetic skyrmions can move at a velocity of ~50 m s−1 with reduced skyrmion Hall angle, |θSkHE| ~ 20°. Our findings open the door to ferrimagnetic and antiferromagnetic skyrmionics while providing key experimental evidences of recent theoretical studies.
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Cites
Anisotropic Superexchange Interaction and Weak Ferromagnetism
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A thermodynamic theory of “weak” ferromagnetism of antiferromagnetics
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Skyrmion Lattice in a Chiral Magnet
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Topological properties and dynamics of magnetic skyrmions
Nagaosa, N., & Tokura, Y. (2013) · Nature Nanotechnology · doi:10.1038/nnano.2013.243 · Cited by 4,076
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Spontaneous skyrmion ground states in magnetic metals
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Self-citationCurrent-driven dynamics of chiral ferromagnetic domain walls
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Perspective: Magnetic skyrmions—Overview of recent progress in an active research field
Everschor-Sitte, K., Masell, J., Reeve, R. M., & Kläui, M. (2018) · Journal of Applied Physics · doi:10.1063/1.5048972 · Cited by 601
Wang, Y., Wang, L., Xia, J., Lai, Z., Tian, G., Zhang, X., Hou, Z., Gao, X., Mi, W., Feng, C., et al. (2020) · Nature Communications · doi:10.1038/s41467-020-17354-7 · Cited by 303
Self-citationMagnetic skyrmion bundles and their current-driven dynamics
Tang, J., Wu, Y., Wang, W., Kong, L., Lv, B., Wei, W., Zang, J., Tian, M., & Du, H. (2021) · Nature Nanotechnology · doi:10.1038/s41565-021-00954-9 · Cited by 241
Metadata
- Authors
- Woo, S., Song, K. M., Zhang, X., Zhou, Y., Ezawa, M., Liu, X., Finizio, S., Raabe, J., Lee, N. J., Kim, S.-I., Park, S.-Y., Kim, Y., Kim, J.-Y., Lee, D., Lee, O., Choi, J. W., Min, B.-C., Koo, H. C., & Chang, J.
- Venue
- Nature Communications
- Published
- 2018-03-06
- Volume
- 9
- Issue
- 1
- Pages
- 959-959
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2611121423
- Cited by
- 420
- References
- 35
- FWCI
- 24.65
- Type
- journal article
- Language
- en
- Open access
- gold
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- Woo, S., Song, K. M., Zhang, X., Zhou, Y., Ezawa, M., Liu, X., Finizio, S., Raabe, J., Lee, N. J., Kim, S.-I., Park, S.-Y., Kim, Y., Kim, J.-Y., Lee, D., Lee, O., Choi, J. W., Min, B.-C., Koo, H. C., & Chang, J. (2018). Current-driven dynamics and inhibition of the skyrmion Hall effect of ferrimagnetic skyrmions in GdFeCo films. Nature Communications. https://doi.org/10.1038/s41467-018-03378-7
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