The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Tunable room-temperature magnetic skyrmions in Ir/Fe/Co/Pt multilayers
Open accessAbstract
Magnetic skyrmions are nanoscale topological spin structures offering great promise for next-generation information storage technologies. The recent discovery of sub-100-nm room-temperature (RT) skyrmions in several multilayer films has triggered vigorous efforts to modulate their physical properties for their use in devices. Here we present a tunable RT skyrmion platform based on multilayer stacks of Ir/Fe/Co/Pt, which we study using X-ray microscopy, magnetic force microscopy and Hall transport techniques. By varying the ferromagnetic layer composition, we can tailor the magnetic interactions governing skyrmion properties, thereby tuning their thermodynamic stability parameter by an order of magnitude. The skyrmions exhibit a smooth crossover between isolated (metastable) and disordered lattice configurations across samples, while their size and density can be tuned by factors of two and ten, respectively. We thus establish a platform for investigating functional sub-50-nm RT skyrmions, pointing towards the development of skyrmion-based memory devices.
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Citations
Cites
Anisotropic Superexchange Interaction and Weak Ferromagnetism
Moriya, T. (1960) · Physical Review · doi:10.1103/physrev.120.91 · Cited by 7,234
Nagaosa, N., Sinova, J., Onoda, S., MacDonald, A. H., & Ong, N. P. (2010) · Reviews of Modern Physics · doi:10.1103/revmodphys.82.1539 · Cited by 4,798
Cited by
Tokura, Y., & Kanazawa, N. (2021) · Chemical Reviews · doi:10.1021/acs.chemrev.0c00297 · Cited by 726
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
Skyrmions in magnetic multilayers
Jiang, W., Chen, G., Liu, K., Zang, J., te Velthuis, S. G. E., & Hoffmann, A. (2017) · Physics Reports · doi:10.1016/j.physrep.2017.08.001 · Cited by 566
Thermal skyrmion diffusion used in a reshuffler device
Zázvorka, J., Jakobs, F., Heinze, D., Keil, N., Kromin, S., Jaiswal, S., Litzius, K., Jakob, G., Virnau, P., Pinna, D., et al. (2019) · Nature Nanotechnology · doi:10.1038/s41565-019-0436-8 · Cited by 346
First-principles calculations for Dzyaloshinskii–Moriya interaction
Yang, H., Liang, J., & Cui, Q. (2022) · Nature Reviews Physics · doi:10.1038/s42254-022-00529-0 · Cited by 194
Metadata
- Authors
- Soumyanarayanan, A., Raju, M., Gonzalez Oyarce, A. L., Tan, A. K. C., Im, M.-Y., Petrović, A. P., Ho, P., Khoo, K. H., Tran, M., Gan, C. K., Ernult, F., & Panagopoulos, C.
- Venue
- Nature Materials
- Published
- 2017-07-17
- Volume
- 16
- Issue
- 9
- Pages
- 898-904
- ISSN
- 1476-1122 (ISSN-L)
- 1476-4660
- OpenAlex
- W2514861977
- Cited by
- 742
- References
- 2
- FWCI
- 35.33
- Type
- journal article
- Language
- en
- Open access
- green
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- Soumyanarayanan, A., Raju, M., Gonzalez Oyarce, A. L., Tan, A. K. C., Im, M.-Y., Petrović, A. P., Ho, P., Khoo, K. H., Tran, M., Gan, C. K., Ernult, F., & Panagopoulos, C. (2017). Tunable room-temperature magnetic skyrmions in Ir/Fe/Co/Pt multilayers. Nature Materials. https://doi.org/10.1038/nmat4934
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