Reversible writing/deleting of magnetic skyrmions through hydrogen adsorption/desorption.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
15 Mar 2022
15 Mar 2022
Historique:
received:
11
06
2021
accepted:
17
02
2022
entrez:
16
3
2022
pubmed:
17
3
2022
medline:
17
3
2022
Statut:
epublish
Résumé
Magnetic skyrmions are topologically nontrivial spin textures with envisioned applications in energy-efficient magnetic information storage. Toggling the presence of magnetic skyrmions via writing/deleting processes is essential for spintronics applications, which usually require the application of a magnetic field, a gate voltage or an electric current. Here we demonstrate the reversible field-free writing/deleting of skyrmions at room temperature, via hydrogen chemisorption/desorption on the surface of Ni and Co films. Supported by Monte-Carlo simulations, the skyrmion creation/annihilation is attributed to the hydrogen-induced magnetic anisotropy change on ferromagnetic surfaces. We also demonstrate the role of hydrogen and oxygen on magnetic anisotropy and skyrmion deletion on other magnetic surfaces. Our results open up new possibilities for designing skyrmionic and magneto-ionic devices.
Identifiants
pubmed: 35292656
doi: 10.1038/s41467-022-28968-4
pii: 10.1038/s41467-022-28968-4
pmc: PMC8924161
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1350Subventions
Organisme : National Science Foundation (NSF)
ID : DMR-2005108
Organisme : National Science Foundation (NSF)
ID : DMR-2005108
Organisme : U.S. Department of Energy (DOE)
ID : Early Career Research Program
Organisme : Semiconductor Research Corporation (SRC)
ID : SMART (2018-NE-2861)
Organisme : Semiconductor Research Corporation (SRC)
ID : SMART (2018-NE-2861)
Organisme : National Research Foundation of Korea (NRF)
ID : NRF-2019R1A6A3A01091209
Organisme : National Research Foundation of Korea (NRF)
ID : NRF-2018R1D1A1B07047114
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : Grant No. 11734006 and No. 11974079
Organisme : DOE | Office of Science (SC)
ID : DE-AC02-05CH11231
Informations de copyright
© 2022. The Author(s).
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