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  Dirac nodal lines and induced spin Hall effect in metallic rutile oxides

Sun, Y., Zhang, Y., Liu, C.-X., Felser, C., & Yan, B. (2017). Dirac nodal lines and induced spin Hall effect in metallic rutile oxides. Physical Review B, 95(23): 235104, pp. 1-7. doi:10.1103/PhysRevB.95.235104.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-B7C6-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-B7CA-E
Genre: Journal Article

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 Creators:
Sun, Yan1, Author              
Zhang, Yang1, Author              
Liu, Chao-Xing2, Author
Felser, Claudia3, Author              
Yan, Binghai4, Author              
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2External Organizations, ou_persistent22              
3Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              
4Binghai Yan, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863427              

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 Abstract: We have found Dirac nodal lines (DNLs) in the band structures of metallic rutile oxides IrO2, OsO2, and RuO2 and have revealed a large spin Hall conductivity contributed by these nodal lines, which explains a strong spin Hall effect (SHE) of IrO2 discovered recently. Two types of DNLs exist. The first type forms DNL networks that extend in the whole Brillouin zone and appears only in the absence of spin-orbit coupling (SOC), which induces surface states on the boundary. Because of SOC-induced band anticrossing, a large intrinsic SHE can be realized in these compounds. The second type appears at the Brillouin zone edges and is stable against SOC because of the protection of nonsymmorphic symmetry. Besides reporting these DNL materials, our work reveals the general relationship between DNLs and the SHE, indicating a way to apply Dirac nodal materials for spintronics.

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Language(s): eng - English
 Dates: 2017-06-022017-06-02
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1103/PhysRevB.95.235104
 Degree: -

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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: 95 (23) Sequence Number: 235104 Start / End Page: 1 - 7 Identifier: ISSN: 1098-0121
CoNE: /journals/resource/954925225008