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通过氦离子辐照调控具有Dzyaloshinskii-Moriya相互作用的多层膜中的界面效应。

Tailoring interfacial effect in multilayers with Dzyaloshinskii-Moriya interaction by helium ion irradiation.

作者信息

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

机构信息

London Centre for Nanotechnology, University College London, 17-19 Gordon Street, London, WC1H 0AH, UK.

Istituto Officina dei Materiali del CNR (CNR-IOM), Sede Secondaria di Perugia, c/o Dipartimento di Fisica e Geologia, Università di Perugia, 06123, Perugia, Italy.

出版信息

Sci Rep. 2021 Dec 8;11(1):23626. doi: 10.1038/s41598-021-02902-y.

DOI:10.1038/s41598-021-02902-y
PMID:34880294
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8654828/
Abstract

We show a method to control magnetic interfacial effects in multilayers with Dzyaloshinskii-Moriya interaction (DMI) using helium (He[Formula: see text]) ion irradiation. We report 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[Formula: see text] irradiation effects on the magnetic properties which is consistent with interface modification due to the effects of the He[Formula: see text] 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.

摘要

我们展示了一种利用氦（He⁺）离子辐照来控制具有Dzyaloshinskii-Moriya相互作用（DMI）的多层膜中磁界面效应的方法。我们报告了来自超导量子干涉仪磁强计、铁磁共振以及布里渊光散射的结果，这些结果是关于具有DMI的多层膜随辐照通量的变化情况，以研究辐照对多层膜磁性能的影响。我们的结果清楚地证明了He⁺辐照对磁性能的影响，这与He⁺辐照效应导致的界面改性是一致的。这种外部自由度为进一步改善对多层膜中磁斯格明子的控制提供了有前景的前景，这可能推动它们在未来技术中的集成。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7fd9/8654828/97584f8bf807/41598_2021_2902_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7fd9/8654828/3ec1cbfbda90/41598_2021_2902_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7fd9/8654828/991fd58d5a67/41598_2021_2902_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7fd9/8654828/21ca578f4c8c/41598_2021_2902_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7fd9/8654828/ce551fbfa251/41598_2021_2902_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7fd9/8654828/cefd453eadf4/41598_2021_2902_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7fd9/8654828/97584f8bf807/41598_2021_2902_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7fd9/8654828/3ec1cbfbda90/41598_2021_2902_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7fd9/8654828/991fd58d5a67/41598_2021_2902_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7fd9/8654828/21ca578f4c8c/41598_2021_2902_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7fd9/8654828/ce551fbfa251/41598_2021_2902_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7fd9/8654828/cefd453eadf4/41598_2021_2902_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7fd9/8654828/97584f8bf807/41598_2021_2902_Fig6_HTML.jpg

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本文引用的文献

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Helium Ions Put Magnetic Skyrmions on the Track.氦离子使磁性斯格明子走上正轨。
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