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Robust charge-density wave strengthened by electron correlations in monolayer 1T-TaSe2 and 1T-NbSe2

Author

Listed:
  • Yuki Nakata

    (Tohoku University)

  • Katsuaki Sugawara

    (Tohoku University
    Tohoku University
    Tohoku University)

  • Ashish Chainani

    (National Synchrotron Radiation Research Center)

  • Hirofumi Oka

    (Tohoku University)

  • Changhua Bao

    (Tsinghua University)

  • Shaohua Zhou

    (Tsinghua University)

  • Pei-Yu Chuang

    (National Synchrotron Radiation Research Center)

  • Cheng-Maw Cheng

    (National Synchrotron Radiation Research Center)

  • Tappei Kawakami

    (Tohoku University)

  • Yasuaki Saruta

    (Tohoku University)

  • Tomoteru Fukumura

    (Tohoku University)

  • Shuyun Zhou

    (Tsinghua University
    Frontier Science Center for Quantum Information)

  • Takashi Takahashi

    (Tohoku University
    Tohoku University
    Tohoku University)

  • Takafumi Sato

    (Tohoku University
    Tohoku University
    Tohoku University)

Abstract

Combination of low-dimensionality and electron correlation is vital for exotic quantum phenomena such as the Mott-insulating phase and high-temperature superconductivity. Transition-metal dichalcogenide (TMD) 1T-TaS2 has evoked great interest owing to its unique nonmagnetic Mott-insulator nature coupled with a charge-density-wave (CDW). To functionalize such a complex phase, it is essential to enhance the CDW-Mott transition temperature TCDW-Mott, whereas this was difficult for bulk TMDs with TCDW-Mott

Suggested Citation

  • Yuki Nakata & Katsuaki Sugawara & Ashish Chainani & Hirofumi Oka & Changhua Bao & Shaohua Zhou & Pei-Yu Chuang & Cheng-Maw Cheng & Tappei Kawakami & Yasuaki Saruta & Tomoteru Fukumura & Shuyun Zhou & , 2021. "Robust charge-density wave strengthened by electron correlations in monolayer 1T-TaSe2 and 1T-NbSe2," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-26105-1
    DOI: 10.1038/s41467-021-26105-1
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    References listed on IDEAS

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    1. P Chen & Y. -H. Chan & X. -Y. Fang & Y Zhang & M Y Chou & S. -K. Mo & Z Hussain & A. -V. Fedorov & T. -C. Chiang, 2015. "Charge density wave transition in single-layer titanium diselenide," Nature Communications, Nature, vol. 6(1), pages 1-5, December.
    2. C. J. Butler & M. Yoshida & T. Hanaguri & Y. Iwasa, 2020. "Mottness versus unit-cell doubling as the driver of the insulating state in 1T-TaS2," Nature Communications, Nature, vol. 11(1), pages 1-6, December.
    3. Leon Balents, 2010. "Spin liquids in frustrated magnets," Nature, Nature, vol. 464(7286), pages 199-208, March.
    4. Yuan Cao & Valla Fatemi & Shiang Fang & Kenji Watanabe & Takashi Taniguchi & Efthimios Kaxiras & Pablo Jarillo-Herrero, 2018. "Unconventional superconductivity in magic-angle graphene superlattices," Nature, Nature, vol. 556(7699), pages 43-50, April.
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