Self-assembly of Co/Pt stripes with current-induced domain wall motion towards 3D racetrack devices.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
06 Mar 2024
06 Mar 2024
Historique:
received:
14
09
2023
accepted:
16
02
2024
medline:
7
3
2024
pubmed:
7
3
2024
entrez:
6
3
2024
Statut:
epublish
Résumé
Modification of the magnetic properties under the induced strain and curvature is a promising avenue to build three-dimensional magnetic devices, based on the domain wall motion. So far, most of the studies with 3D magnetic structures were performed in the helixes and nanowires, mainly with stationary domain walls. In this study, we demonstrate the impact of 3D geometry, strain and curvature on the current-induced domain wall motion and spin-orbital torque efficiency in the heterostructure, realized via a self-assembly rolling technique on a polymeric platform. We introduce a complete 3D memory unit with write, read and store functionality, all based on the field-free domain wall motion. Additionally, we conducted a comparative analysis between 2D and 3D structures, particularly addressing the influence of heat during the electric current pulse sequences. Finally, we demonstrated a remarkable increase of 30% in spin-torque efficiency in 3D configuration.
Identifiants
pubmed: 38448405
doi: 10.1038/s41467-024-46185-z
pii: 10.1038/s41467-024-46185-z
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
2048Subventions
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : KA 5051/3-1
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : SCHM 1298/22-1
Organisme : Leibniz-Gemeinschaft (Leibniz Association)
ID : T62/2019
Informations de copyright
© 2024. The Author(s).
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