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Transient ferromagnetic-like state mediating ultrafast reversal of antiferromagnetically coupled spins

Author

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  • I. Radu

    (Radboud University Nijmegen, Institute for Molecules and Materials, Heyendaalseweg 135
    Helmholtz-Zentrum Berlin für Materialien und Energie, BESSY II, Albert-Einstein-Strasse 15)

  • K. Vahaplar

    (Radboud University Nijmegen, Institute for Molecules and Materials, Heyendaalseweg 135)

  • C. Stamm

    (Helmholtz-Zentrum Berlin für Materialien und Energie, BESSY II, Albert-Einstein-Strasse 15)

  • T. Kachel

    (Helmholtz-Zentrum Berlin für Materialien und Energie, BESSY II, Albert-Einstein-Strasse 15)

  • N. Pontius

    (Helmholtz-Zentrum Berlin für Materialien und Energie, BESSY II, Albert-Einstein-Strasse 15)

  • H. A. Dürr

    (Helmholtz-Zentrum Berlin für Materialien und Energie, BESSY II, Albert-Einstein-Strasse 15
    SLAC National Accelerator Laboratory)

  • T. A. Ostler

    (University of York)

  • J. Barker

    (University of York)

  • R. F. L. Evans

    (University of York)

  • R. W. Chantrell

    (University of York)

  • A. Tsukamoto

    (College of Science and Technology, Nihon University, 7-24-1 Funabashi
    PRESTO, Japan Science and Technology Agency, 4-1-8 Honcho Kawaguchi)

  • A. Itoh

    (College of Science and Technology, Nihon University, 7-24-1 Funabashi)

  • A. Kirilyuk

    (Radboud University Nijmegen, Institute for Molecules and Materials, Heyendaalseweg 135)

  • Th. Rasing

    (Radboud University Nijmegen, Institute for Molecules and Materials, Heyendaalseweg 135)

  • A. V. Kimel

    (Radboud University Nijmegen, Institute for Molecules and Materials, Heyendaalseweg 135)

Abstract

Ferromagnetic surprise The dynamics of spin ordering in magnetic materials is of interest for both fundamental understanding and progress in information-processing and recording technology. Radu et al. study spin dynamics in a ferrimagnetic gadolinium–iron–cobalt (GdFeCo) alloy that is optically excited at a timescale shorter than the characteristic magnetic exchange interaction between the Gd and Fe spins. Using element-specific X-ray magnetic circular dichroism spectroscopy, they show that the Gd and Fe spins switch directions at very different timescales. As a consequence, an unexpected transient ferromagnetic state emerges. These surprising observations, supported by simulations, provide a possible new concept of manipulating magnetic order on a timescale of the exchange interaction.

Suggested Citation

  • I. Radu & K. Vahaplar & C. Stamm & T. Kachel & N. Pontius & H. A. Dürr & T. A. Ostler & J. Barker & R. F. L. Evans & R. W. Chantrell & A. Tsukamoto & A. Itoh & A. Kirilyuk & Th. Rasing & A. V. Kimel, 2011. "Transient ferromagnetic-like state mediating ultrafast reversal of antiferromagnetically coupled spins," Nature, Nature, vol. 472(7342), pages 205-208, April.
    • Handle: RePEc:nat:nature:v:472:y:2011:i:7342:d:10.1038_nature09901
    DOI: 10.1038/nature09901
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    Cited by:

    1. Sahdane, T. & Masrour, R. & Jabar, A., 2021. "Ferrielectric properties of a bilayer structure with RKKY-like interaction: A Monte Carlo study," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 572(C).
    2. Fumiya Sekiguchi & Kestutis Budzinauskas & Prashant Padmanabhan & Rolf B. Versteeg & Vladimir Tsurkan & István Kézsmárki & Francesco Foggetti & Sergey Artyukhin & Paul H. M. Loosdrecht, 2022. "Slowdown of photoexcited spin dynamics in the non-collinear spin-ordered phases in skyrmion host GaV4S8," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    3. Maciej Da̧browski & Shi Guo & Mara Strungaru & Paul S. Keatley & Freddie Withers & Elton J. G. Santos & Robert J. Hicken, 2022. "All-optical control of spin in a 2D van der Waals magnet," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    4. Quentin Remy & Julius Hohlfeld & Maxime Vergès & Yann Le Guen & Jon Gorchon & Grégory Malinowski & Stéphane Mangin & Michel Hehn, 2023. "Accelerating ultrafast magnetization reversal by non-local spin transfer," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    5. Y. Peng & D. Salomoni & G. Malinowski & W. Zhang & J. Hohlfeld & L. D. Buda-Prejbeanu & J. Gorchon & M. Vergès & J. X. Lin & D. Lacour & R. C. Sousa & I. L. Prejbeanu & S. Mangin & M. Hehn, 2023. "In-plane reorientation induced single laser pulse magnetization reversal," Nature Communications, Nature, vol. 14(1), pages 1-8, December.

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