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Efficient magnetic switching in a correlated spin glass

Author

Listed:
  • Juraj Krempaský

    (Paul Scherrer Institut)

  • Gunther Springholz

    (Johannes Kepler Universität)

  • Sunil Wilfred D’Souza

    (New Technologies-Research Center University of West Bohemia)

  • Ondřej Caha

    (Masaryk University)

  • Martin Gmitra

    (P. J. Šafárik University in Košice
    Slovak Academy of Sciences)

  • Andreas Ney

    (Johannes Kepler Universität)

  • C. A. F. Vaz

    (Paul Scherrer Institut)

  • Cinthia Piamonteze

    (Paul Scherrer Institut)

  • Mauro Fanciulli

    (LPMS, CY Cergy Paris Université)

  • Dominik Kriegner

    (Institute of Physics ASCR, v.v.i.
    Charles University)

  • Jonas A. Krieger

    (Paul Scherrer Institute
    Max Planck Institut für Mikrostrukturphysik)

  • Thomas Prokscha

    (Paul Scherrer Institute)

  • Zaher Salman

    (Paul Scherrer Institute)

  • Jan Minár

    (New Technologies-Research Center University of West Bohemia)

  • J. Hugo Dil

    (Paul Scherrer Institut
    École Polytechnique Fédérale de Lausanne)

Abstract

The interplay between spin-orbit interaction and magnetic order is one of the most active research fields in condensed matter physics and drives the search for materials with novel, and tunable, magnetic and spin properties. Here we report on a variety of unique and unexpected observations in thin multiferroic Ge1−xMnxTe films. The ferrimagnetic order parameter in this ferroelectric semiconductor is found to switch direction under magnetostochastic resonance with current pulses many orders of magnitude lower as for typical spin-orbit torque systems. Upon a switching event, the magnetic order spreads coherently and collectively over macroscopic distances through a correlated spin-glass state. Utilizing these observations, we apply a novel methodology to controllably harness this stochastic magnetization dynamics.

Suggested Citation

  • Juraj Krempaský & Gunther Springholz & Sunil Wilfred D’Souza & Ondřej Caha & Martin Gmitra & Andreas Ney & C. A. F. Vaz & Cinthia Piamonteze & Mauro Fanciulli & Dominik Kriegner & Jonas A. Krieger & T, 2023. "Efficient magnetic switching in a correlated spin glass," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-41718-4
    DOI: 10.1038/s41467-023-41718-4
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    References listed on IDEAS

    as
    1. J. Krempaský & S. Muff & F. Bisti & M. Fanciulli & H. Volfová & A. P. Weber & N. Pilet & P. Warnicke & H. Ebert & J. Braun & F. Bertran & V. V. Volobuev & J. Minár & G. Springholz & J. H. Dil & V. N. , 2016. "Entanglement and manipulation of the magnetic and spin–orbit order in multiferroic Rashba semiconductors," Nature Communications, Nature, vol. 7(1), pages 1-7, December.
    2. Jan Hermenau & Sascha Brinker & Marco Marciani & Manuel Steinbrecher & Manuel dos Santos Dias & Roland Wiesendanger & Samir Lounis & Jens Wiebe, 2019. "Stabilizing spin systems via symmetrically tailored RKKY interactions," Nature Communications, Nature, vol. 10(1), pages 1-8, December.
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