Tailoring Interfacial Effect in Multilayers With Dzyaloshinskii-Moriya Interaction by Helium Ion Irradiation

A. Sud, S. Tacchi, D. Sagkovits, C. Barton, M. Sall, L. H. Diez, E. Stylianidis, N. Smith, L. Wright, S. Zhang, Xixiang Zhang, D. Ravelosona, G. Carlotti, H. Kurebayashi, O. Kazakova, M. Cubukcu

Research output: Contribution to journalArticlepeer-review

Abstract

We show a method to control magnetic interfacial effects in multilayers with Dzyaloshinskii-Moriya interaction (DMI) using helium (He+) ion irradiation. We compare results from SQUID magnetometry, ferromagnetic resonance as well as Brillouin light scattering results on multilayers with DMI as a function of irradiation fluence to study the effect of irradiation on the magnetic properties of the multilayers. Our results show clear evidence of the He+ irradiation effects on the magnetic properties which is consistent with interface modification due to the effects of the He+ irradiation. This external degree of freedom offers promising perspectives to further improve the control of magnetic skyrmions in multilayers, that could push them towards integration in future technologies.
Original languageEnglish (US)
JournalAccepted by Scientific Reports
DOIs
StatePublished - Jun 17 2021

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