Deterministic Field-Free Skyrmion Nucleation at a
Nanoengineered Injector Device
Version 2 2019-09-20, 18:43
Version 1 2019-09-20, 18:40
Posted on 2019-09-20 - 18:43
Magnetic skyrmions
are topological solitons promising for applications
as encoders for digital information. A number of different skyrmion-based
memory devices have been recently proposed. In order to demonstrate
a viable skyrmion-based memory device, it is necessary to reliably
and reproducibly nucleate, displace, detect, and delete the magnetic
skyrmions, possibly in the absence of external applied magnetic fields,
which would needlessly complicate the device design. While the skyrmion
displacement and detection have both been thoroughly investigated,
much less attention has been dedicated to the study of the skyrmion
nucleation process and its sub-nanosecond dynamics. In this study,
we investigate the nucleation of magnetic skyrmions from a dedicated
nanoengineered injector, demonstrating the reliable magnetic skyrmion
nucleation at the remnant state. The sub-nanosecond dynamics of the
skyrmion nucleation process were also investigated, allowing us to
shine light on the physical processes driving the nucleation.
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Finizio, Simone; Zeissler, Katharina; Wintz, Sebastian; Mayr, Sina; Weßels, Teresa; Huxtable, Alexandra J.; et al. (2019). Deterministic Field-Free Skyrmion Nucleation at a
Nanoengineered Injector Device. ACS Publications. Collection. https://doi.org/10.1021/acs.nanolett.9b02840
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AUTHORS (9)
SF
Simone Finizio
KZ
Katharina Zeissler
SW
Sebastian Wintz
SM
Sina Mayr
TW
Teresa Weßels
AH
Alexandra J. Huxtable
GB
Gavin Burnell
CM
Christopher H. Marrows
JR
Jörg Raabe