The DOI matches its Crossref record; 45 of the 45 references it cites were found in a registry or an index.
A strategy for the design of skyrmion racetrack memories
Open accessAbstract
Magnetic storage based on racetrack memory is very promising for the design of ultra-dense, low-cost and low-power storage technology. Information can be coded in a magnetic region between two domain walls or, as predicted recently, in topological magnetic objects known as skyrmions. Here, we show the technological advantages and limitations of using Bloch and Néel skyrmions manipulated by spin current generated within the ferromagnet or via the spin-Hall effect arising from a non-magnetic heavy metal underlayer. We found that the Néel skyrmion moved by the spin-Hall effect is a very promising strategy for technological implementation of the next generation of skyrmion racetrack memories (zero field, high thermal stability, and ultra-dense storage). We employed micromagnetics reinforced with an analytical formulation of skyrmion dynamics that we developed from the Thiele equation. We identified that the excitation, at high currents, of a breathing mode of the skyrmion limits the maximal velocity of the memory.
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Cites
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Skyrmion Lattice in a Chiral Magnet
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Magnetic Domain-Wall Racetrack Memory
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Spin-Torque Switching with the Giant Spin Hall Effect of Tantalum
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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
A perpendicular-anisotropy CoFeB–MgO magnetic tunnel junction
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Real-space observation of a two-dimensional skyrmion crystal
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Cited by
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
Control and manipulation of a magnetic skyrmionium in nanostructures
Zhang, X., Xia, J., Zhou, Y., Wang, D., Liu, X., Zhao, W., & Ezawa, M. (2016) · Physical Review B · doi:10.1103/physrevb.94.094420 · Cited by 246
Magnetic 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
Ultrafast generation of skyrmionic defects with vortex beams: Printing laser profiles on magnets
Fujita, H., & Sato, M. (2017) · Physical Review B · doi:10.1103/physrevb.95.054421 · Cited by 150
The optical tweezer of skyrmions
Wang, X.-G., Chotorlishvili, L., Dugaev, V. K., Ernst, A., Maznichenko, I. V., Arnold, N., Jia, C., Berakdar, J., Mertig, I., & Barnaś, J. (2020) · npj Computational Materials · doi:10.1038/s41524-020-00402-7 · Cited by 35
Metadata
- Authors
- Tomasello, R., Martinez, E., Zivieri, R., Torres, L., Carpentieri, M., & Finocchio, G.
- Venue
- Scientific Reports
- Published
- 2014-10-29
- Volume
- 4
- Issue
- 1
- Pages
- 6784-6784
- ISSN
- 2045-2322 (ISSN-L)
- OpenAlex
- W2082355550
- Cited by
- 963
- References
- 45
- FWCI
- 26.12
- Type
- journal article
- Language
- en
- Open access
- gold
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- Tomasello, R., Martinez, E., Zivieri, R., Torres, L., Carpentieri, M., & Finocchio, G. (2014). A strategy for the design of skyrmion racetrack memories. Scientific Reports. https://doi.org/10.1038/srep06784
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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