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  Spin-Polarized Current In Noncollinear Antiferromagnets

Zelezny, J., Zhang, Y., Felser, C., & Yan, B. (2017). Spin-Polarized Current In Noncollinear Antiferromagnets. Physical Review Letters, 119(18): 187204, pp. 1-7. doi:10.1103/PhysRevLett.119.187204.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-31ED-C Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-31EF-8
Genre: Journal Article

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 Creators:
Zelezny, Jakub1, Author              
Zhang, Yang1, Author              
Felser, Claudia2, Author              
Yan, Binghai3, Author              
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              
3Binghai Yan, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863427              

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 Abstract: Noncollinear antiferromagnets, such as Mn-3 Sn and Mn-3 Ir, were recently shown to be analogous to ferromagnets in that they have a large anomalous Hall effect. Here we show that these materials are similar to ferromagnets in another aspect: the charge current in these materials is spin polarized. In addition, we show that the same mechanism that leads to the spin-polarized current also leads to a transverse spin current, which has a distinct symmetry and origin from the conventional spin Hall effect. We illustrate the existence of the spin-polarized current and the transverse spin current by performing ab initio microscopic calculations and by analyzing the symmetry. We discuss possible applications of these novel spin currents, such as an antiferromagnetic metallic or tunneling junction.

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Language(s): eng - English
 Dates: 2017-11-022017-11-02
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 119 (18) Sequence Number: 187204 Start / End Page: 1 - 7 Identifier: ISSN: 0031-9007
CoNE: /journals/resource/954925433406_1