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Non-equilibrium dynamics of spin-lattice coupling

Author

Listed:
  • Hiroki Ueda

    (Paul Scherrer Institute
    Paul Scherrer Institute)

  • Roman Mankowsky

    (Paul Scherrer Institute)

  • Eugenio Paris

    (Paul Scherrer Institute)

  • Mathias Sander

    (Paul Scherrer Institute)

  • Yunpei Deng

    (Paul Scherrer Institute)

  • Biaolong Liu

    (Paul Scherrer Institute)

  • Ludmila Leroy

    (Paul Scherrer Institute)

  • Abhishek Nag

    (Paul Scherrer Institute)

  • Elizabeth Skoropata

    (Paul Scherrer Institute)

  • Chennan Wang

    (Université de Fribourg)

  • Victor Ukleev

    (Paul Scherrer Institute
    Helmholtz-Zentrum Berlin für Materialien und Energie)

  • Gérard Sylvester Perren

    (Paul Scherrer Institute)

  • Janine Dössegger

    (ETH Zurich)

  • Sabina Gurung

    (ETH Zurich)

  • Cristian Svetina

    (Paul Scherrer Institute
    Ciudad Universitaria de Cantoblanco)

  • Elsa Abreu

    (ETH Zurich)

  • Matteo Savoini

    (ETH Zurich)

  • Tsuyoshi Kimura

    (University of Tokyo)

  • Luc Patthey

    (Paul Scherrer Institute)

  • Elia Razzoli

    (Paul Scherrer Institute)

  • Henrik Till Lemke

    (Paul Scherrer Institute)

  • Steven Lee Johnson

    (Paul Scherrer Institute
    ETH Zurich)

  • Urs Staub

    (Paul Scherrer Institute)

Abstract

Quantifying the dynamics of normal modes and how they interact with other excitations is of central importance in condensed matter. Spin-lattice coupling is relevant to several sub-fields of condensed matter physics; examples include spintronics, high-Tc superconductivity, and topological materials. However, experimental approaches that can directly measure it are rare and incomplete. Here we use time-resolved X-ray diffraction to directly access the ultrafast motion of atoms and spins following the coherent excitation of an electromagnon in a multiferroic hexaferrite. One striking outcome is the different phase shifts relative to the driving field of the two different components. This phase shift provides insight into the excitation process of such a coupled mode. This direct observation of combined lattice and magnetization dynamics paves the way to access the mode-selective spin-lattice coupling strength, which remains a missing fundamental parameter for ultrafast control of magnetism and is relevant to a wide variety of materials.

Suggested Citation

  • Hiroki Ueda & Roman Mankowsky & Eugenio Paris & Mathias Sander & Yunpei Deng & Biaolong Liu & Ludmila Leroy & Abhishek Nag & Elizabeth Skoropata & Chennan Wang & Victor Ukleev & Gérard Sylvester Perre, 2023. "Non-equilibrium dynamics of spin-lattice coupling," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
  • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-43581-9
    DOI: 10.1038/s41467-023-43581-9
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    References listed on IDEAS

    as
    1. C. Dornes & Y. Acremann & M. Savoini & M. Kubli & M. J. Neugebauer & E. Abreu & L. Huber & G. Lantz & C. A. F. Vaz & H. Lemke & E. M. Bothschafter & M. Porer & V. Esposito & L. Rettig & M. Buzzi & A. , 2019. "The ultrafast Einstein–de Haas effect," Nature, Nature, vol. 565(7738), pages 209-212, January.
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