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Observation of novel charge ordering and spin reorientation in perovskite oxide PbFeO3

Author

Listed:
  • Xubin Ye

    (Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
    School of Physical Sciences, University of Chinese Academy of Sciences)

  • Jianfa Zhao

    (Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
    School of Physical Sciences, University of Chinese Academy of Sciences)

  • Hena Das

    (Laboratory for Materials and Structures, Tokyo Institute of Technology
    Tokyo Tech World Research Hub Initiative (WRHI), Institute of Innovative Research, Tokyo Institute of Technology)

  • Denis Sheptyakov

    (Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institut)

  • Junye Yang

    (Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institut)

  • Yuki Sakai

    (Laboratory for Materials and Structures, Tokyo Institute of Technology
    Kanagawa Institute of Industrial Science and Technology)

  • Hajime Hojo

    (Kyushu University)

  • Zhehong Liu

    (Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
    School of Physical Sciences, University of Chinese Academy of Sciences)

  • Long Zhou

    (Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
    School of Physical Sciences, University of Chinese Academy of Sciences)

  • Lipeng Cao

    (Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences)

  • Takumi Nishikubo

    (Laboratory for Materials and Structures, Tokyo Institute of Technology)

  • Shogo Wakazaki

    (Laboratory for Materials and Structures, Tokyo Institute of Technology)

  • Cheng Dong

    (Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
    School of Physical Sciences, University of Chinese Academy of Sciences)

  • Xiao Wang

    (Max-Planck Institute for Chemical Physics of Solids)

  • Zhiwei Hu

    (Max-Planck Institute for Chemical Physics of Solids)

  • Hong-Ji Lin

    (National Synchrotron Radiation Research Center)

  • Chien-Te Chen

    (National Synchrotron Radiation Research Center)

  • Christoph Sahle

    (European Synchrotron Radiation Facility)

  • Anna Efiminko

    (European Synchrotron Radiation Facility)

  • Huibo Cao

    (Neutron Scattering Division, Oak Ridge National Laboratory)

  • Stuart Calder

    (Neutron Scattering Division, Oak Ridge National Laboratory)

  • Ko Mibu

    (Graduate School of Engineering, Nagoya Institute of Technology)

  • Michel Kenzelmann

    (Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institut)

  • Liu Hao Tjeng

    (Max-Planck Institute for Chemical Physics of Solids)

  • Runze Yu

    (Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
    School of Physical Sciences, University of Chinese Academy of Sciences
    Tokyo Tech World Research Hub Initiative (WRHI), Institute of Innovative Research, Tokyo Institute of Technology)

  • Masaki Azuma

    (Laboratory for Materials and Structures, Tokyo Institute of Technology
    Kanagawa Institute of Industrial Science and Technology)

  • Changqing Jin

    (Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
    School of Physical Sciences, University of Chinese Academy of Sciences
    Songshan Lake Materials Laboratory)

  • Youwen Long

    (Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
    School of Physical Sciences, University of Chinese Academy of Sciences
    Songshan Lake Materials Laboratory)

Abstract

PbMO3 (M = 3d transition metals) family shows systematic variations in charge distribution and intriguing physical properties due to its delicate energy balance between Pb 6s and transition metal 3d orbitals. However, the detailed structure and physical properties of PbFeO3 remain unclear. Herein, we reveal that PbFeO3 crystallizes into an unusual 2ap × 6ap × 2ap orthorhombic perovskite super unit cell with space group Cmcm. The distinctive crystal construction and valence distribution of Pb2+0.5Pb4+0.5FeO3 lead to a long range charge ordering of the -A-B-B- type of the layers with two different oxidation states of Pb (Pb2+ and Pb4+) in them. A weak ferromagnetic transition with canted antiferromagnetic spins along the a-axis is found to occur at 600 K. In addition, decreasing the temperature causes a spin reorientation transition towards a collinear antiferromagnetic structure with spin moments along the b-axis near 418 K. Our theoretical investigations reveal that the peculiar charge ordering of Pb generates two Fe3+ magnetic sublattices with competing anisotropic energies, giving rise to the spin reorientation at such a high critical temperature.

Suggested Citation

  • Xubin Ye & Jianfa Zhao & Hena Das & Denis Sheptyakov & Junye Yang & Yuki Sakai & Hajime Hojo & Zhehong Liu & Long Zhou & Lipeng Cao & Takumi Nishikubo & Shogo Wakazaki & Cheng Dong & Xiao Wang & Zhiwe, 2021. "Observation of novel charge ordering and spin reorientation in perovskite oxide PbFeO3," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-22064-9
    DOI: 10.1038/s41467-021-22064-9
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