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Cited by 963

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 access
Tomasello, R., Martinez, E., Zivieri, R., Torres, L., Carpentieri, M., Finocchio, G.·2014·Scientific Reports
DOI 10.1038/srep06784
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Abstract

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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Metadata

Authors
Tomasello, R., Martinez, E., Zivieri, R., Torres, L., Carpentieri, M., & Finocchio, G.
Venue
Scientific Reports
Publisher
Springer Science and Business Media LLC
Published
2014-10-29
Volume
4
Issue
1
Pages
6784-6784
ISSN
2045-2322 (ISSN-L)
DOI
10.1038/srep06784
OpenAlex
W2082355550
Cited by
963
References
45
FWCI
26.12
Type
journal article
Language
en
Open access
gold

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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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