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  Extremely high conductivity observed in the triple point topological metal MoP

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.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-D351-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-D353-1
Genre: Journal Article

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 Creators:
Kumar, Nitesh1, Author              
Sun, Yan1, Author              
Nicklas, Michael2, Author              
Watzman, Sarah J.1, Author              
Young, Olga3, Author
Leermakers, Inge3, Author
Hornung, Jacob3, Author
Klotz, Johannes3, Author
Gooth, Johannes4, Author              
Manna, Kaustuv1, Author              
Süß, Vicky1, Author              
Guin, Satya N.1, Author              
Förster, Tobias3, Author
Schmidt, Marcus5, Author              
Muechler, Lukas1, Author              
Yan, Binghai3, Author
Werner, Peter3, Author
Schnelle, Walter6, Author              
Zeitler, Uli3, Author
Wosnitza, Jochen3, Author
Parkin, Stuart S. P.3, AuthorFelser, Claudia7, Author              Shekhar, Chandra8, Author               more..
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2Michael Nicklas, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863472              
3External Organizations, ou_persistent22              
4Nanostructured Quantum Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_3018212              
5Marcus Schmidt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863415              
6Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863441              
7Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              
8Chandra Shekhar, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863428              

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 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.

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Language(s): eng - English
 Dates: 2019-06-042019-06-04
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: DOI: 10.1038/s41467-019-10126-y
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Title: Nature Communications
  Abbreviation : Nat. Commun.
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 10 Sequence Number: 2475 Start / End Page: 1 - 7 Identifier: ISSN: 2041-1723
CoNE: https://pure.mpg.de/cone/journals/resource/2041-1723