• Open Access

Rich magnetic phase diagram of putative helimagnet Sr3Fe2O7

Nikita D. Andriushin, Justus Grumbach, Jung-Hwa Kim, Manfred Reehuis, Yuliia V. Tymoshenko, Yevhen A. Onykiienko, Anil Jain, W. Andrew MacFarlane, Andrey Maljuk, Sergey Granovsky, Andreas Hoser, Vladimir Pomjakushin, Jacques Ollivier, Mathias Doerr, Bernhard Keimer, Dmytro S. Inosov, and Darren C. Peets
Phys. Rev. B 108, 174420 – Published 15 November 2023
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  • INTRODUCTION
  • EXPERIMENTAL
  • MAGNETIZATION
  • DILATOMETRY
  • FIELD TRAINING
  • SPECIFIC HEAT
  • MUON SPIN ROTATION
  • PHASE DIAGRAMS
  • MAGNETIC ORDER
  • SUMMARY AND OUTLOOK
  • ACKNOWLEDGMENTS
    • References

    Abstract

    The cubic perovskite SrFeO3 was recently reported to host hedgehog- and skyrmion-lattice phases in a highly symmetric crystal structure which does not support the Dzyaloshinskii-Moriya interactions commonly invoked to explain such magnetic order. Hints of a complex magnetic phase diagram have also recently been found in powder samples of the single-layer Ruddlesden-Popper analog Sr2FeO4, so a reinvestigation of the bilayer material Sr3Fe2O7, believed to be a simple helimagnet, is called for. Our magnetization and dilatometry studies reveal a rich magnetic phase diagram with at least six distinct magnetically ordered phases and strong similarities to that of SrFeO3. In particular, at least one phase is apparently multiple-q, and the qs are not observed to vary among the phases. Since Sr3Fe2O7 has only two possible orientations for its propagation vector, some of the phases are likely exotic multiple-q order, and it is possible to fully detwin all phases and more readily access their exotic physics.

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    • Received 6 June 2023
    • Revised 17 October 2023
    • Accepted 19 October 2023

    DOI:https://doi.org/10.1103/PhysRevB.108.174420

    Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Open access publication funded by the Max Planck Society.

    Published by the American Physical Society

    Physics Subject Headings (PhySH)

    1. Research Areas
    Magnetic orderMagnetic phase transitionsMagnetostriction
    1. Physical Systems
    HelimagnetsRuddlesden-Popper compoundsTransition metal oxides
    1. Techniques
    Magnetization measurementsNeutron diffraction
    Condensed Matter, Materials & Applied Physics

    Authors & Affiliations

    Nikita D. Andriushin1, Justus Grumbach1, Jung-Hwa Kim2, Manfred Reehuis3, Yuliia V. Tymoshenko1, Yevhen A. Onykiienko1, Anil Jain2,4,5, W. Andrew MacFarlane6,7,8, Andrey Maljuk2,*, Sergey Granovsky1, Andreas Hoser3, Vladimir Pomjakushin9, Jacques Ollivier10, Mathias Doerr1, Bernhard Keimer2, Dmytro S. Inosov1,11,†, and Darren C. Peets1,2,‡

    • 1Institut für Festkörper- und Materialphysik, Technische Universität Dresden, 01069 Dresden, Germany
    • 2Max-Planck-Institut für Festkörperforschung, 70569 Stuttgart, Germany
    • 3Helmholtz-Zentrum Berlin für Materialien und Energie, 14109 Berlin, Germany
    • 4Solid State Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
    • 5Homi Bhabha National Institute, Anushaktinagar, Mumbai 400094, India
    • 6Department of Chemistry, University of British Columbia, Vancouver, BC V6T 1Z1 Canada
    • 7Stewart Blusson Quantum Matter Institute, University of British Columbia, Vancouver, BC V6T 1Z4 Canada
    • 8TRIUMF, Vancouver, BC V6T 2A3 Canada
    • 9Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institut, 5232 Villigen, Switzerland
    • 10Institut Laue-Langevin, 71 Avenue des Martyrs, CS 20156, 38042 Grenoble CEDEX 9, France
    • 11Würzburg-Dresden Cluster of Excellence on Complexity and Topology in Quantum Matter—ct.qmat, Technische Universität Dresden, 01069 Dresden, Germany

    • *Present address: Leibniz Institute for Solid State and Materials Research Dresden, 01069 Dresden, Germany.
    • †dmytro.inosov@tu-dresden.de
    • ‡darren.peets@tu-dresden.de

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    Issue

    Vol. 108, Iss. 17 — 1 November 2023

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