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Skyrmion-(Anti)Vortex Coupling in a Chiral Magnet-Superconductor Heterostructure.
Petrovic, A P; Raju, M; Tee, X Y; Louat, A; Maggio-Aprile, I; Menezes, R M; Wyszynski, M J; Duong, N K; Reznikov, M; Renner, Ch; Milosevic, M V; Panagopoulos, C.
Affiliation
  • Petrovic AP; Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371 Singapore.
  • Raju M; Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371 Singapore.
  • Tee XY; Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371 Singapore.
  • Louat A; Department of Physics, Technion, Haifa 32000, Israel.
  • Maggio-Aprile I; Department of Quantum Matter Physics, Université de Genève, 24 Quai Ernest Ansermet, CH-1211 Geneva 4, Switzerland.
  • Menezes RM; Department of Physics, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium.
  • Wyszynski MJ; Departamento de Física, Universidade Federal de Pernambuco, Cidade Universitária, 50670-901 Recife-PE, Brazil.
  • Duong NK; Department of Physics, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium.
  • Reznikov M; Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371 Singapore.
  • Renner C; Department of Physics, Technion, Haifa 32000, Israel.
  • Milosevic MV; Department of Quantum Matter Physics, Université de Genève, 24 Quai Ernest Ansermet, CH-1211 Geneva 4, Switzerland.
  • Panagopoulos C; Department of Physics, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium.
Phys Rev Lett ; 126(11): 117205, 2021 Mar 19.
Article in En | MEDLINE | ID: mdl-33798341
ABSTRACT
We report experimental coupling of chiral magnetism and superconductivity in [IrFeCoPt]/Nb heterostructures. The stray field of skyrmions with radius ≈50 nm is sufficient to nucleate antivortices in a 25 nm Nb film, with unique signatures in the magnetization, critical current, and flux dynamics, corroborated via simulations. We also detect a thermally tunable Rashba-Edelstein exchange coupling in the isolated skyrmion phase. This realization of a strongly interacting skyrmion-(anti)vortex system opens a path toward controllable topological hybrid materials, unattainable to date.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2021 Type: Article
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2021 Type: Article