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  Chiral magnetoresistance in the Weyl semimetal NbP

Niemann, A. C., Gooth, J., Wu, S.-C., Baessler, S., Sergelius, P., Huehne, R., et al. (2017). Chiral magnetoresistance in the Weyl semimetal NbP. Scientific Reports, 7: 43394, pp. 1-6. doi:10.1038/srep43394.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-E0FB-B Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-04D2-F
Genre: Journal Article

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 Creators:
Niemann, Anna Corinna1, Author
Gooth, Johannes1, Author
Wu, Shu-Chun2, Author              
Baessler, Svenja1, Author
Sergelius, Philip1, Author
Huehne, Ruben1, Author
Rellinghaus, Bernd1, Author
Shekhar, Chandra3, Author              
Süß, Vicky2, Author              
Schmidt, Marcus1, Author
Felser, Claudia1, Author
Yan, Binghai4, Author              
Nielsch, Kornelius1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
3Chandra Shekhar, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863428              
4Binghai Yan, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863427              

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 Abstract: NbP is a recently realized Weyl semimetal (WSM), hosting Weyl points through which conduction and valence bands cross linearly in the bulk and exotic Fermi arcs appear. The most intriguing transport phenomenon of a WSM is the chiral anomaly-induced negative magnetoresistance (NMR) in parallel electric and magnetic fields. In intrinsic NbP the Weyl points lie far from the Fermi energy, making chiral magneto-transport elusive. Here, we use Ga-doping to relocate the Fermi energy in NbP sufficiently close to the W2 Weyl points, for which the different Fermi surfaces are verified by resultant quantum oscillations. Consequently, we observe a NMR for parallel electric and magnetic fields, which is considered as a signature of the chiral anomaly in condensed-matter physics. The NMR survives up to room temperature, making NbP a versatile material platform for the development of Weyltronic applications.

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Language(s): eng - English
 Dates: 2017-03-062017-03-06
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000395393700001
DOI: 10.1038/srep43394
 Degree: -

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Title: Scientific Reports
  Abbreviation : Sci. Rep.
Source Genre: Journal
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Publ. Info: London, UK : Nature Publishing Group
Pages: - Volume / Issue: 7 Sequence Number: 43394 Start / End Page: 1 - 6 Identifier: ISSN: 2045-2322
CoNE: /journals/resource/2045-2322