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

被引：11
|
作者：
Sud, A. [1 ]
Tacchi, S. [2 ]
Sagkovits, D. [1 ,3 ]
Barton, C. [3 ]
Sall, M. [4 ]
Diez, L. H. [5 ]
Stylianidis, E. [1 ,3 ]
Smith, N. [3 ]
Wright, L. [3 ]
Zhang, S. [6 ]
Zhang, X. [6 ]
Ravelosona, D. [4 ,5 ]
Carlotti, G. [7 ]
Kurebayashi, H. [1 ]
Kazakova, O. [3 ]
Cubukcu, M. [1 ,3 ]
机构：
[1] UCL, London Ctr Nanotechnol, 17-19 Gordon St, London WC1H 0AH, England
[2] Univ Perugia, Dipartimento Fis & Geol, Sede Secondaria Perugia, Ist Off Mat,CNR,IOM, I-06123 Perugia, Italy
[3] Natl Phys Lab, Hampton Rd, Teddington TW11 0LW, Middx, England
[4] Spin Ion Technol, Palaiseau, France
[5] Ctr Nanosci & Nanotechnol, Orsay, Ile De France, France
[6] King Abdullah Univ Sci & Technol, Phys Sci & Engn Div, Mecca, Saudi Arabia
[7] Univ Perugia, Dipartimento Fis & Geol, Via Pascoli, I-06123 Perugia, Italy
来源：
SCIENTIFIC REPORTS | 2021年 / 11卷 / 01期
基金：
英国工程与自然科学研究理事会; 欧盟地平线“2020”;
关键词：
DOMAIN-WALL MOTION; MAGNETIC-PROPERTIES; SKYRMIONS; FILMS; DYNAMICS; HE+;
D O I：
10.1038/s41598-021-02902-y
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
We show a method to control magnetic interfacial effects in multilayers with Dzyaloshinskii-Moriya interaction (DMI) using helium (He+) 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+ 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.
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页数：8
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