Interaction of Individual Skyrmions in a Nanostructured Cubic Chiral Magnet

Haifeng Du^{1

2}, Xuebing Zhao³, Filipp N Rybakov⁴, Aleksandr B Borisov⁵, Shasha Wang¹, Jin Tang¹, Chiming Jin¹, Chao Wang³, Wensheng Wei¹, Nikolai S Kiselev⁶, Yuheng Zhang^{1

7

8}, Renchao Che³, Stefan Blügel⁶, Mingliang Tian^{1

2

8}

Affiliations

¹ The Anhui Province Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory, Chinese Academy of Sciences and University of Science and Technology of China, Hefei 230026, China.
² Department of Physics, School of Physics and Materials Science, Anhui University, Hefei 230601, China.
³ Laboratory of Advanced Materials, Department of Materials Science, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200438, China.
⁴ Department of Physics, KTH-Royal Institute of Technology, Stockholm, SE-10691 Sweden.
⁵ M.N. Miheev Institute of Metal Physics of Ural Branch of Russian Academy of Sciences, Ekaterinburg 620990, Russia.
⁶ Peter Grünberg Institute and Institute for Advanced Simulation, Forschungszentrum Jülich and JARA, 52425 Jülich, Germany.
⁷ Department of Physics, University of Science and Technology of China, Hefei 230031, China.
⁸ Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.

PMID: 29799255
DOI: 10.1103/PhysRevLett.120.197203

Interaction of Individual Skyrmions in a Nanostructured Cubic Chiral Magnet

Haifeng Du et al. Phys Rev Lett. 2018.

. 2018 May 11;120(19):197203.

doi: 10.1103/PhysRevLett.120.197203.

Authors

Affiliations

¹ The Anhui Province Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory, Chinese Academy of Sciences and University of Science and Technology of China, Hefei 230026, China.
² Department of Physics, School of Physics and Materials Science, Anhui University, Hefei 230601, China.
³ Laboratory of Advanced Materials, Department of Materials Science, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200438, China.
⁴ Department of Physics, KTH-Royal Institute of Technology, Stockholm, SE-10691 Sweden.
⁵ M.N. Miheev Institute of Metal Physics of Ural Branch of Russian Academy of Sciences, Ekaterinburg 620990, Russia.
⁶ Peter Grünberg Institute and Institute for Advanced Simulation, Forschungszentrum Jülich and JARA, 52425 Jülich, Germany.
⁷ Department of Physics, University of Science and Technology of China, Hefei 230031, China.
⁸ Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.

PMID: 29799255
DOI: 10.1103/PhysRevLett.120.197203

Abstract

We report direct evidence of the field-dependent character of the interaction between individual magnetic skyrmions as well as between skyrmions and edges in B20-type FeGe nanostripes observed by means of high-resolution Lorentz transmission electron microscopy. It is shown that above certain critical values of an external magnetic field the character of such long-range skyrmion interactions changes from attraction to repulsion. Experimentally measured equilibrium inter-skyrmion and skyrmion-edge distances as a function of the applied magnetic field shows quantitative agreement with the results of micromagnetic simulations. The important role of demagnetizing fields and the internal symmetry of three-dimensional magnetic skyrmions are discussed in detail.

PubMed Disclaimer

Save citation to file

Email citation

Add to Collections

Add to My Bibliography

Your saved search

Create a file for external citation management software

Your RSS Feed

Interaction of Individual Skyrmions in a Nanostructured Cubic Chiral Magnet

Affiliations

Interaction of Individual Skyrmions in a Nanostructured Cubic Chiral Magnet

Authors

Affiliations

Abstract