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Extremely high conductivity observed in the triple point topological metal MoP

Author

Listed:
  • Nitesh Kumar

    (Max Planck Institute for Chemical Physics of Solids)

  • Yan Sun

    (Max Planck Institute for Chemical Physics of Solids)

  • Michael Nicklas

    (Max Planck Institute for Chemical Physics of Solids)

  • Sarah J. Watzman

    (Max Planck Institute for Chemical Physics of Solids
    The Ohio State University
    Department of Mechanical and Material Engineering, University of Cincinnati)

  • Olga Young

    (Radboud University)

  • Inge Leermakers

    (Radboud University)

  • Jacob Hornung

    (Helmholtz-Zentrum Dresden-Rossendorf
    Technical University Dresden)

  • Johannes Klotz

    (Helmholtz-Zentrum Dresden-Rossendorf
    Technical University Dresden)

  • Johannes Gooth

    (Max Planck Institute for Chemical Physics of Solids)

  • Kaustuv Manna

    (Max Planck Institute for Chemical Physics of Solids)

  • Vicky Süß

    (Max Planck Institute for Chemical Physics of Solids)

  • Satya N. Guin

    (Max Planck Institute for Chemical Physics of Solids)

  • Tobias Förster

    (Helmholtz-Zentrum Dresden-Rossendorf)

  • Marcus Schmidt

    (Max Planck Institute for Chemical Physics of Solids)

  • Lukas Muechler

    (Max Planck Institute for Chemical Physics of Solids
    Princeton University)

  • Binghai Yan

    (Weizmann Institute of Science)

  • Peter Werner

    (Max Planck Institute of Microstructure Physics)

  • Walter Schnelle

    (Max Planck Institute for Chemical Physics of Solids)

  • Uli Zeitler

    (Radboud University)

  • Jochen Wosnitza

    (Helmholtz-Zentrum Dresden-Rossendorf
    Technical University Dresden)

  • Stuart S. P. Parkin

    (Max Planck Institute of Microstructure Physics)

  • Claudia Felser

    (Max Planck Institute for Chemical Physics of Solids)

  • Chandra Shekhar

    (Max Planck Institute for Chemical Physics of Solids)

Abstract

Weyl and Dirac fermions have created much attention in condensed matter physics and materials science. Recently, several additional distinct types of fermions have been predicted. Here, we report ultra-high electrical conductivity in MoP at low temperature, which has recently been established as a triple point fermion material. We show that the electrical resistivity is 6 nΩ cm at 2 K with a large mean free path of 11 microns. de Haas-van Alphen oscillations reveal spin splitting of the Fermi surfaces. In contrast to noble metals with similar conductivity and number of carriers, the magnetoresistance in MoP does not saturate up to 9 T at 2 K. Interestingly, the momentum relaxing time of the electrons is found to be more than 15 times larger than the quantum coherence time. This difference between the scattering scales shows that momentum conserving scattering dominates in MoP at low temperatures.

Suggested Citation

  • Nitesh Kumar & Yan Sun & Michael Nicklas & Sarah J. Watzman & Olga Young & Inge Leermakers & Jacob Hornung & Johannes Klotz & Johannes Gooth & Kaustuv Manna & Vicky Süß & Satya N. Guin & Tobias Förste, 2019. "Extremely high conductivity observed in the triple point topological metal MoP," Nature Communications, Nature, vol. 10(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-10126-y
    DOI: 10.1038/s41467-019-10126-y
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    Cited by:

    1. Nathan C. Drucker & Thanh Nguyen & Fei Han & Phum Siriviboon & Xi Luo & Nina Andrejevic & Ziming Zhu & Grigory Bednik & Quynh T. Nguyen & Zhantao Chen & Linh K. Nguyen & Tongtong Liu & Travis J. Willi, 2023. "Topology stabilized fluctuations in a magnetic nodal semimetal," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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