Extremely high conductivity observed in the triple point topological metal MoP

Kumar, Nitesh; Sun, Yan; Nicklas, Michael; Watzman, Sarah J.; Young, Olga; Leermakers, Inge; Hornung, Jacob; Klotz, Johannes; Gooth, Johannes; Manna, Kaustuv; Süß, Vicky; Guin, Satya N.; Förster, Tobias; Schmidt, Marcus; Muechler, Lukas; Yan, Binghai; Werner, Peter; Schnelle, Walter; Zeitler, Uli; Wosnitza, Jochen; Parkin, Stuart S. P.; Felser, Claudia; Shekhar, Chandra

doi:10.1038/s41467-019-10126-y

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Extremely high conductivity observed in the triple point topological metal MoP

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Kumar, Nitesh
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons179670

Sun, Yan
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126782

Nicklas, Michael
Michael Nicklas, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons225886

Watzman, Sarah J.
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons220347

Gooth, Johannes
Nanostructured Quantum Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons201263

Manna, Kaustuv
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons192597

Süß, Vicky
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons224668

Guin, Satya N.
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126835

Schmidt, Marcus
Marcus Schmidt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126765

Muechler, Lukas
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126838

Schnelle, Walter
Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126601

Felser, Claudia
Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126847

Shekhar, Chandra
Chandra Shekhar, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Kumar, N., Sun, Y., Nicklas, M., Watzman, S. J., Young, O., Leermakers, I., et al. (2019). Extremely high conductivity observed in the triple point topological metal MoP. Nature Communications, 10: 2475, pp. 1-7. doi:10.1038/s41467-019-10126-y.

Cite as: https://hdl.handle.net/21.11116/0000-0003-D351-3

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 n Omega 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.