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Strain-Driven Dzyaloshinskii-Moriya Interaction for Room-Temperature Magnetic Skyrmions.
Zhang, Yuelin; Liu, Jie; Dong, Yongqi; Wu, Shizhe; Zhang, Jianyu; Wang, Jie; Lu, Jingdi; Rückriegel, Andreas; Wang, Hanchen; Duine, Rembert; Yu, Haiming; Luo, Zhenlin; Shen, Ka; Zhang, Jinxing.
Afiliação
  • Zhang Y; Department of Physics, Beijing Normal University, Beijing 100875, China.
  • Liu J; Department of Physics, Beijing Normal University, Beijing 100875, China.
  • Dong Y; The Center for Advanced Quantum Studies, Beijing Normal University, Beijing 100191, China.
  • Wu S; National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230026, China.
  • Zhang J; Department of Physics, Beijing Normal University, Beijing 100875, China.
  • Wang J; Fert Beijing Institute, MIIT Key Laboratory of Spintronics, School of Integrated Circuit Science and Engineering, Beihang University, Beijing 100191, China.
  • Lu J; Department of Physics, Beijing Normal University, Beijing 100875, China.
  • Rückriegel A; Department of Physics, Beijing Normal University, Beijing 100875, China.
  • Wang H; Institute for Theoretical Physics and Center for Extreme Matter and Emergent Phenomena, Utrecht University, Leuvenlaan 4, 3584 CE Utrecht, Netherlands.
  • Duine R; Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands.
  • Yu H; Fert Beijing Institute, MIIT Key Laboratory of Spintronics, School of Integrated Circuit Science and Engineering, Beihang University, Beijing 100191, China.
  • Luo Z; Institute for Theoretical Physics and Center for Extreme Matter and Emergent Phenomena, Utrecht University, Leuvenlaan 4, 3584 CE Utrecht, Netherlands.
  • Shen K; Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands.
  • Zhang J; Fert Beijing Institute, MIIT Key Laboratory of Spintronics, School of Integrated Circuit Science and Engineering, Beihang University, Beijing 100191, China.
Phys Rev Lett ; 127(11): 117204, 2021 Sep 10.
Article em En | MEDLINE | ID: mdl-34558947
ABSTRACT
Dzyaloshinskii-Moriya interaction in magnets, which is usually derived from inversion symmetry breaking at interfaces or in noncentrosymmetric crystals, plays a vital role in chiral spintronics. Here we report that an emergent Dzyaloshinskii-Moriya interaction can be achieved in a centrosymmetric material, La_{0.67}Sr_{0.33}MnO_{3}, by a graded strain. This strain-driven Dzyaloshinskii-Moriya interaction not only exhibits distinctive two coexisting nonreciprocities of spin-wave propagation in one system, but also brings about a robust room-temperature magnetic skyrmion lattice as well as a spiral lattice at zero magnetic field. Our results demonstrate the feasibility of investigating chiral spintronics in a large category of centrosymmetric magnetic materials.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2021 Tipo de documento: Article
Texto completo
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2021 Tipo de documento: Article