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Strong-correlation induced high-mobility electrons in Dirac semimetal of perovskite oxide

Author

Listed:
  • J. Fujioka

    (University of Tokyo
    Japan Science and Technology Agency
    University of Tsukuba)

  • R. Yamada

    (University of Tokyo)

  • M. Kawamura

    (RIKEN Center for Emergent Matter Science (CEMS))

  • S. Sakai

    (RIKEN Center for Emergent Matter Science (CEMS))

  • M. Hirayama

    (RIKEN Center for Emergent Matter Science (CEMS))

  • R. Arita

    (University of Tokyo
    RIKEN Center for Emergent Matter Science (CEMS))

  • T. Okawa

    (University of Tokyo)

  • D. Hashizume

    (RIKEN Center for Emergent Matter Science (CEMS))

  • M. Hoshino

    (Japan Science and Technology Agency
    RIKEN Center for Emergent Matter Science (CEMS))

  • Y. Tokura

    (University of Tokyo
    RIKEN Center for Emergent Matter Science (CEMS))

Abstract

Electrons in conventional metals become less mobile under the influence of electron correlation. Contrary to this empirical knowledge, we report here that electrons with the highest mobility ever found in known bulk oxide semiconductors emerge in the strong-correlation regime of the Dirac semimetal of perovskite CaIrO3. The transport measurements reveal that the high mobility exceeding 60,000 cm2V−1s−1 originates from the proximity of the Fermi energy to the Dirac node (ΔE

Suggested Citation

  • J. Fujioka & R. Yamada & M. Kawamura & S. Sakai & M. Hirayama & R. Arita & T. Okawa & D. Hashizume & M. Hoshino & Y. Tokura, 2019. "Strong-correlation induced high-mobility electrons in Dirac semimetal of perovskite oxide," Nature Communications, Nature, vol. 10(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-018-08149-y
    DOI: 10.1038/s41467-018-08149-y
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    Cited by:

    1. Enyang Men & Deyang Li & Haiyang Zhang & Jingxin Chen & Zhihan Qiao & Long Wei & Zhaosheng Wang & Chuanying Xi & Dongsheng Song & Yuhan Li & Hyoungjeen Jeen & Kai Chen & Hong Zhu & Lin Hao, 2024. "An atomically controlled insulator-to-metal transition in iridate/manganite heterostructures," Nature Communications, Nature, vol. 15(1), pages 1-8, December.

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