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Spin-orbital Jahn-Teller bipolarons

Author

Listed:
  • Lorenzo Celiberti

    (University of Vienna
    Università di Bologna)

  • Dario Fiore Mosca

    (University of Vienna
    École polytechnique, Institut Polytechnique de Paris
    Université PSL)

  • Giuseppe Allodi

    (University of Parma)

  • Leonid V. Pourovskii

    (École polytechnique, Institut Polytechnique de Paris
    Université PSL)

  • Anna Tassetti

    (Università di Bologna)

  • Paola Caterina Forino

    (Università di Bologna)

  • Rong Cong

    (Brown University)

  • Erick Garcia

    (Brown University)

  • Phuong M. Tran

    (The Ohio State University)

  • Roberto De Renzi

    (University of Parma)

  • Patrick M. Woodward

    (The Ohio State University)

  • Vesna F. Mitrović

    (Brown University)

  • Samuele Sanna

    (Università di Bologna)

  • Cesare Franchini

    (University of Vienna
    Università di Bologna)

Abstract

Polarons and spin-orbit (SO) coupling are distinct quantum effects that play a critical role in charge transport and spin-orbitronics. Polarons originate from strong electron-phonon interaction and are ubiquitous in polarizable materials featuring electron localization, in particular 3d transition metal oxides (TMOs). On the other hand, the relativistic coupling between the spin and orbital angular momentum is notable in lattices with heavy atoms and develops in 5d TMOs, where electrons are spatially delocalized. Here we combine ab initio calculations and magnetic measurements to show that these two seemingly mutually exclusive interactions are entangled in the electron-doped SO-coupled Mott insulator Ba2Na1−xCaxOsO6 (0

Suggested Citation

  • Lorenzo Celiberti & Dario Fiore Mosca & Giuseppe Allodi & Leonid V. Pourovskii & Anna Tassetti & Paola Caterina Forino & Rong Cong & Erick Garcia & Phuong M. Tran & Roberto De Renzi & Patrick M. Woodw, 2024. "Spin-orbital Jahn-Teller bipolarons," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-46621-0
    DOI: 10.1038/s41467-024-46621-0
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    References listed on IDEAS

    as
    1. J. M. De Teresa & M. R. Ibarra & P. A. Algarabel & C. Ritter & C. Marquina & J. Blasco & J. García & A. del Moral & Z. Arnold, 1997. "Evidence for magnetic polarons in the magnetoresistive perovskites," Nature, Nature, vol. 386(6622), pages 256-259, March.
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    3. Guo-meng Zhao & M. B. Hunt & H. Keller & K. A. Müller, 1997. "Evidence for polaronic supercarriers in the copper oxide superconductors La2–xSrxCuO4," Nature, Nature, vol. 385(6613), pages 236-239, January.
    4. Michele Reticcioli & Zhichang Wang & Michael Schmid & Dominik Wrana & Lynn A. Boatner & Ulrike Diebold & Martin Setvin & Cesare Franchini, 2022. "Competing electronic states emerging on polar surfaces," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    5. L. Lu & M. Song & W. Liu & A. P. Reyes & P. Kuhns & H. O. Lee & I. R. Fisher & V. F. Mitrović, 2017. "Magnetism and local symmetry breaking in a Mott insulator with strong spin orbit interactions," Nature Communications, Nature, vol. 8(1), pages 1-8, April.
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