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Magnetic excitations in strained infinite-layer nickelate PrNiO2 films

Author

Listed:
  • Qiang Gao

    (Chinese Academy of Sciences)

  • Shiyu Fan

    (Upton)

  • Qisi Wang

    (Universität Zürich
    The Chinese University of Hong Kong)

  • Jiarui Li

    (Massachusetts Institute of Technology)

  • Xiaolin Ren

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Izabela Biało

    (Universität Zürich
    Faculty of Physics and Applied Computer Science)

  • Annabella Drewanowski

    (Universität Zürich)

  • Pascal Rothenbühler

    (Universität Zürich)

  • Jaewon Choi

    (Harwell Campus)

  • Ronny Sutarto

    (Canadian Light Source)

  • Yao Wang

    (Clemson University)

  • Tao Xiang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    Beijing Academy of Quantum Information Sciences)

  • Jiangping Hu

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Ke-Jin Zhou

    (Harwell Campus)

  • Valentina Bisogni

    (Upton)

  • Riccardo Comin

    (Massachusetts Institute of Technology)

  • J. Chang

    (Universität Zürich)

  • Jonathan Pelliciari

    (Upton)

  • X. J. Zhou

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    Songshan Lake Materials Laboratory)

  • Zhihai Zhu

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    Songshan Lake Materials Laboratory)

Abstract

Strongly correlated materials respond sensitively to external perturbations such as strain, pressure, and doping. In the recently discovered superconducting infinite-layer nickelates, the superconducting transition temperature can be enhanced via only ~ 1% compressive strain-tuning with the root of such enhancement still being elusive. Using resonant inelastic x-ray scattering (RIXS), we investigate the magnetic excitations in infinite-layer PrNiO2 thin films grown on two different substrates, namely SrTiO3 (STO) and (LaAlO3)0.3(Sr2TaAlO6)0.7 (LSAT) enforcing different strain on the nickelates films. The magnon bandwidth of PrNiO2 shows only marginal response to strain-tuning, in sharp contrast to the enhancement of the superconducting transition temperature Tc in the doped superconducting samples. These results suggest the bandwidth of spin excitations of the parent compounds is similar under strain while Tc in the doped ones is not, and thus provide important empirics for the understanding of superconductivity in infinite-layer nickelates.

Suggested Citation

  • Qiang Gao & Shiyu Fan & Qisi Wang & Jiarui Li & Xiaolin Ren & Izabela Biało & Annabella Drewanowski & Pascal Rothenbühler & Jaewon Choi & Ronny Sutarto & Yao Wang & Tao Xiang & Jiangping Hu & Ke-Jin Z, 2024. "Magnetic excitations in strained infinite-layer nickelate PrNiO2 films," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-49940-4
    DOI: 10.1038/s41467-024-49940-4
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    References listed on IDEAS

    as
    1. A. Lanzara & P. V. Bogdanov & X. J. Zhou & S. A. Kellar & D. L. Feng & E. D. Lu & T. Yoshida & H. Eisaki & A. Fujimori & K. Kishio & J.-I. Shimoyama & T. Noda & S. Uchida & Z. Hussain & Z.-X. Shen, 2001. "Evidence for ubiquitous strong electron–phonon coupling in high-temperature superconductors," Nature, Nature, vol. 412(6846), pages 510-514, August.
    2. Lichen Wang & Guanhong He & Zichen Yang & Mirian Garcia-Fernandez & Abhishek Nag & Kejin Zhou & Matteo Minola & Matthieu Le Tacon & Bernhard Keimer & Yingying Peng & Yuan Li, 2022. "Paramagnons and high-temperature superconductivity in a model family of cuprates," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    3. D. Reznik & L. Pintschovius & M. Ito & S. Iikubo & M. Sato & H. Goka & M. Fujita & K. Yamada & G. D. Gu & J. M. Tranquada, 2006. "Electron–phonon coupling reflecting dynamic charge inhomogeneity in copper oxide superconductors," Nature, Nature, vol. 440(7088), pages 1170-1173, April.
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