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Local control of magnetic interface effects in chiral Ir|Co|Pt by Mark C. H. de Jong; Mariëlle J. Meijer; Juriaan Lucassen; Jos van Liempt; Henk J. M. Swagten; Bert Koopmans; Reinoud Lavrijsen is a Physics and Astronomy article available to read on EtoBox.
What is Local control of magnetic interface effects in chiral Ir|Co|Pt about?
In this work we investigate local tuning of the iDMI and perpendicular magnetic anisotropy (PMA) using focused Ga + ion beam irradiation, in an Ir|Co|Pt multilayer system. We show that the magnitude of the interface contribution to both effects can be significantly reduced by the irradiation with Ga + ions. This leads to a reduction by a factor of 2 of the domain wall energy density, while still preserving the Néel character of the domain walls. Hence, we postulate that Ga + ion irradiation is an effective way to locally reduce the energy barrier for skyrmion nucleation, providing a novel pathway for targeted skyrmion nucleation in racetrack type devices.
Who reads Local control of magnetic interface effects in chiral Ir|Co|Pt?
It is typically read by researchers, students, and practitioners in Physics and Astronomy.
- Author
- Mark C. H. de Jong; Mariëlle J. Meijer; Juriaan Lucassen; Jos van Liempt; Henk J. M. Swagten; Bert Koopmans; Reinoud Lavrijsen
- Publisher
- American Physical Society (APS)
- Published
- 2022
- Language
- EN
- Field
- Physics and Astronomy (Physical Sciences)