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Reversible manipulation of the magnetic state in SrRuO3 through electric-field controlled proton evolution

Author

Listed:
  • Zhuolu Li

    (Tsinghua University)

  • Shengchun Shen

    (Tsinghua University)

  • Zijun Tian

    (Shanghai Jiao Tong University)

  • Kyle Hwangbo

    (University of Toronto)

  • Meng Wang

    (Tsinghua University)

  • Yujia Wang

    (Tsinghua University)

  • F. Michael Bartram

    (University of Toronto)

  • Liqun He

    (University of Toronto)

  • Yingjie Lyu

    (Tsinghua University)

  • Yongqi Dong

    (Argonne National Lab
    Argonne National Lab
    University of Science and Technology of China)

  • Gang Wan

    (Argonne National Lab)

  • Haobo Li

    (Tsinghua University)

  • Nianpeng Lu

    (Tsinghua University
    Chinese Academy of Science)

  • Jiadong Zang

    (University of New Hampshire)

  • Hua Zhou

    (Argonne National Lab)

  • Elke Arenholz

    (Lawrence Berkeley National Laboratory)

  • Qing He

    (Durham University)

  • Luyi Yang

    (Tsinghua University
    University of Toronto
    Frontier Science Center for Quantum Information)

  • Weidong Luo

    (Shanghai Jiao Tong University
    Collaborative Innovation Center of Advanced Microstructures)

  • Pu Yu

    (Tsinghua University
    Frontier Science Center for Quantum Information
    RIKEN Center for Emergent Matter Science (CEMS))

Abstract

Ionic substitution forms an essential pathway to manipulate the structural phase, carrier density and crystalline symmetry of materials via ion-electron-lattice coupling, leading to a rich spectrum of electronic states in strongly correlated systems. Using the ferromagnetic metal SrRuO3 as a model system, we demonstrate an efficient and reversible control of both structural and electronic phase transformations through the electric-field controlled proton evolution with ionic liquid gating. The insertion of protons results in a large structural expansion and increased carrier density, leading to an exotic ferromagnetic to paramagnetic phase transition. Importantly, we reveal a novel protonated compound of HSrRuO3 with paramagnetic metallic as ground state. We observe a topological Hall effect at the boundary of the phase transition due to the proton concentration gradient across the film-depth. We envision that electric-field controlled protonation opens up a pathway to explore novel electronic states and material functionalities in protonated material systems.

Suggested Citation

  • Zhuolu Li & Shengchun Shen & Zijun Tian & Kyle Hwangbo & Meng Wang & Yujia Wang & F. Michael Bartram & Liqun He & Yingjie Lyu & Yongqi Dong & Gang Wan & Haobo Li & Nianpeng Lu & Jiadong Zang & Hua Zho, 2020. "Reversible manipulation of the magnetic state in SrRuO3 through electric-field controlled proton evolution," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-019-13999-1
    DOI: 10.1038/s41467-019-13999-1
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    Cited by:

    1. Yosuke Isoda & Thanh Ngoc Pham & Ryotaro Aso & Shuri Nakamizo & Takuya Majima & Saburo Hosokawa & Kiyofumi Nitta & Yoshitada Morikawa & Yuichi Shimakawa & Daisuke Kan, 2025. "Stabilization of oxygen vacancy ordering and electrochemical-proton-insertion-and-extraction-induced large resistance modulation in strontium iron cobalt oxides Sr(Fe,Co)Oy," Nature Communications, Nature, vol. 16(1), pages 1-9, December.

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