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  Observation of pseudo-two-dimensional electron transport in the rock salt-type topological semimetal LaBi

Kumar, N., Shekhar, C., Wu, S.-C., Leermakers, I., Young, O., Zeitler, U., et al. (2016). Observation of pseudo-two-dimensional electron transport in the rock salt-type topological semimetal LaBi. Physical Review B, 93(24): 241106, pp. 1-6. doi:10.1103/PhysRevB.93.241106.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-016B-9 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-AC50-6
Genre: Journal Article

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 Creators:
Kumar, Nitesh1, Author              
Shekhar, Chandra2, Author              
Wu, Shu-Chun1, Author              
Leermakers, Inge3, Author
Young, Olga3, Author
Zeitler, Uli3, Author
Yan, Binghai4, Author              
Felser, Claudia5, Author              
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2Chandra Shekhar, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863428              
3External Organizations, ou_persistent22              
4Binghai Yan, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863427              
5Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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 Abstract: Topological insulators are characterized by an inverted band structure in the bulk and metallic surface states on the surface. In LaBi, a semimetal with a band inversion equivalent to a topological insulator, we observe surface-state-like behavior in the magnetoresistance. The electrons responsible for this pseudo-two-dimensional transport, however, originate from the bulk states rather topological surface states, which is witnessed by the angle-dependent quantum oscillations of the magnetoresistance and ab initio calculations. As a consequence, the magnetoresistance exhibits strong anisotropy with large amplitude (similar to 10(5)%).

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Language(s): eng - English
 Dates: 2016-06-152016-06-15
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 93 (24) Sequence Number: 241106 Start / End Page: 1 - 6 Identifier: ISSN: 1098-0121
CoNE: /journals/resource/954925225008