Skyrmion Formation in Nanodisks Using Magnetic Force Microscopy Tip

被引：2

作者：

Zelent, Mateusz ^{[1
]}

Vetrova, Iuliia V. ^{[2
]}

Soltys, Jan ^{[2
]}

Li, Xiaoguang ^{[3
]}

Zhou, Yan ^{[4
]}

Gubanov, Vladislav A. ^{[5
]}

Sadovnikov, Alexandr, V ^{[5
]}

Scepka, Tomas ^{[2
]}

Derer, Jan ^{[2
]}

Stoklas, Roman ^{[2
]}

Cambel, Vladimir ^{[2
]}

Mruczkiewicz, Michal ^{[2
,6
]}

机构：

[1] Adam Mickiewicz Univ, Fac Phys, Inst Spintron & Quantum Informat, Ul Uniwersytetu Poznanskiego 2, PL-61614 Poznan, Poland

[2] Slovak Acad Sci, Inst Elect Engn, Dubravska Cesta 9, Bratislava 84104, Slovakia

[3] Shenzhen Technol Univ, Coll Engn Phys, Shenzhen 518118, Peoples R China

[4] Chinese Univ Hong Kong, Sch Sci & Engn, Shenzhen 518172, Peoples R China

[5] Saratov NG Chernyshevskii State Univ, Lab Magnet Metamat, Astrakhanskaya St 83, Saratov 410012, Russia

[6] Slovak Acad Sci, Ctr Adv Mat Applicat CEMEA, Dubravska Cesta 9, Bratislava 84511, Slovakia

来源：

NANOMATERIALS | 2021年 / 11卷 / 10期

基金：

中国国家自然科学基金; 俄罗斯科学基金会;

关键词：

skyrmions; multilayer structure; magnetic states; micromagnetic simulation; magnetic force microscopy; PROBE;

D O I：

10.3390/nano11102627

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We demonstrated numerically the skyrmion formation in ultrathin nanodisks using a magnetic force microscopy tip. We found that the local magnetic field generated by the magnetic tip significantly affects the magnetization state of the nanodisks and leads to the formation of skyrmions. Experimentally, we confirmed the influence of the local field on the magnetization states of the disks. Micromagnetic simulations explain the evolution of the magnetic state during magnetic force microscopy scanning and confirm the possibility of skyrmion formation. The formation of the horseshoe magnetic domain is a key transition from random labyrinth domain states into the skyrmion state. We showed that the formation of skyrmions by the magnetic probe is a reliable and repetitive procedure. Our findings provide a simple solution for skyrmion formation in nanodisks.

引用

页数：10

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