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Interaction of Individual Skyrmions in a Nanostructured Cubic Chiral Magnet.
Du, Haifeng; Zhao, Xuebing; Rybakov, Filipp N; Borisov, Aleksandr B; Wang, Shasha; Tang, Jin; Jin, Chiming; Wang, Chao; Wei, Wensheng; Kiselev, Nikolai S; Zhang, Yuheng; Che, Renchao; Blügel, Stefan; Tian, Mingliang.
  • Du H; 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.
  • Zhao X; Department of Physics, School of Physics and Materials Science, Anhui University, Hefei 230601, China.
  • Rybakov FN; Laboratory of Advanced Materials, Department of Materials Science, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200438, China.
  • Borisov AB; Department of Physics, KTH-Royal Institute of Technology, Stockholm, SE-10691 Sweden.
  • Wang S; M.N. Miheev Institute of Metal Physics of Ural Branch of Russian Academy of Sciences, Ekaterinburg 620990, Russia.
  • Tang J; 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.
  • Jin C; 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.
  • Wang C; 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.
  • Wei W; Laboratory of Advanced Materials, Department of Materials Science, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200438, China.
  • Kiselev NS; 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.
  • Zhang Y; Peter Grünberg Institute and Institute for Advanced Simulation, Forschungszentrum Jülich and JARA, 52425 Jülich, Germany.
  • Che R; 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.
  • Blügel S; Department of Physics, University of Science and Technology of China, Hefei 230031, China.
  • Tian M; Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.
Phys Rev Lett ; 120(19): 197203, 2018 May 11.
Article en En | MEDLINE | ID: mdl-29799255
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.
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Texto completo: 1 Banco de datos: MEDLINE Idioma: En Año: 2018 Tipo del documento: Article
Texto completo
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Texto completo: 1 Banco de datos: MEDLINE Idioma: En Año: 2018 Tipo del documento: Article