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Superconductivity in Weyl semimetal candidate MoTe2

Author

Listed:
  • Yanpeng Qi

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany)

  • Pavel G. Naumov

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany)

  • Mazhar N. Ali

    (Princeton University)

  • Catherine R. Rajamathi

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany)

  • Walter Schnelle

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany)

  • Oleg Barkalov

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany)

  • Michael Hanfland

    (European Synchrotron Radiation Facility)

  • Shu-Chun Wu

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany)

  • Chandra Shekhar

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany)

  • Yan Sun

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany)

  • Vicky Süß

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany)

  • Marcus Schmidt

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany)

  • Ulrich Schwarz

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany)

  • Eckhard Pippel

    (Max Planck Institute of Microstructure Physics)

  • Peter Werner

    (Max Planck Institute of Microstructure Physics)

  • Reinald Hillebrand

    (Max Planck Institute of Microstructure Physics)

  • Tobias Förster

    (Dresden High Magnetic Field Laboratory (HLD-EMFL), Helmholtz-Zentrum Dresden-Rossendorf)

  • Erik Kampert

    (Dresden High Magnetic Field Laboratory (HLD-EMFL), Helmholtz-Zentrum Dresden-Rossendorf)

  • Stuart Parkin

    (Max Planck Institute of Microstructure Physics)

  • R. J. Cava

    (Princeton University)

  • Claudia Felser

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany)

  • Binghai Yan

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany
    Max Planck Institute for the Physics of Complex Systems)

  • Sergey A. Medvedev

    (Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany)

Abstract

Transition metal dichalcogenides have attracted research interest over the last few decades due to their interesting structural chemistry, unusual electronic properties, rich intercalation chemistry and wide spectrum of potential applications. Despite the fact that the majority of related research focuses on semiconducting transition-metal dichalcogenides (for example, MoS2), recently discovered unexpected properties of WTe2 are provoking strong interest in semimetallic transition metal dichalcogenides featuring large magnetoresistance, pressure-driven superconductivity and Weyl semimetal states. We investigate the sister compound of WTe2, MoTe2, predicted to be a Weyl semimetal and a quantum spin Hall insulator in bulk and monolayer form, respectively. We find that bulk MoTe2 exhibits superconductivity with a transition temperature of 0.10 K. Application of external pressure dramatically enhances the transition temperature up to maximum value of 8.2 K at 11.7 GPa. The observed dome-shaped superconductivity phase diagram provides insights into the interplay between superconductivity and topological physics.

Suggested Citation

  • Yanpeng Qi & Pavel G. Naumov & Mazhar N. Ali & Catherine R. Rajamathi & Walter Schnelle & Oleg Barkalov & Michael Hanfland & Shu-Chun Wu & Chandra Shekhar & Yan Sun & Vicky Süß & Marcus Schmidt & Ulri, 2016. "Superconductivity in Weyl semimetal candidate MoTe2," Nature Communications, Nature, vol. 7(1), pages 1-7, April.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms11038
    DOI: 10.1038/ncomms11038
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    Cited by:

    1. P. T. Yang & Z. Y. Liu & K. Y. Chen & X. L. Liu & X. Zhang & Z. H. Yu & H. Zhang & J. P. Sun & Y. Uwatoko & X. L. Dong & K. Jiang & J. P. Hu & Y. F. Guo & B. S. Wang & J.-G. Cheng, 2022. "Pressured-induced superconducting phase with large upper critical field and concomitant enhancement of antiferromagnetic transition in EuTe2," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    2. Lingyun Tang & Zhongquan Mao & Chutian Wang & Qi Fu & Chen Wang & Yichi Zhang & Jingyi Shen & Yuefeng Yin & Bin Shen & Dayong Tan & Qian Li & Yonggang Wang & Nikhil V. Medhekar & Jie Wu & Huiqiu Yuan , 2023. "Giant piezoresistivity in a van der Waals material induced by intralayer atomic motions," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    3. Jiaojian Shi & Ya-Qing Bie & Alfred Zong & Shiang Fang & Wei Chen & Jinchi Han & Zhaolong Cao & Yong Zhang & Takashi Taniguchi & Kenji Watanabe & Xuewen Fu & Vladimir Bulović & Efthimios Kaxiras & Edo, 2023. "Intrinsic 1 $${T}^{{\prime} }$$ T ′ phase induced in atomically thin 2H-MoTe2 by a single terahertz pulse," Nature Communications, Nature, vol. 14(1), pages 1-8, December.

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