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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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Zelezny, Jakub1, Autor           
Zhang, Yang1, Autor           
Felser, Claudia2, Autor           
Yan, Binghai3, Autor           
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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 Zusammenfassung: 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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Sprache(n): eng - English
 Datum: 2017-11-022017-11-02
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: ISI: 000414323000006
DOI: 10.1103/PhysRevLett.119.187204
 Art des Abschluß: -

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Titel: Physical Review Letters
  Kurztitel : Phys. Rev. Lett.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Woodbury, N.Y. : American Physical Society
Seiten: - Band / Heft: 119 (18) Artikelnummer: 187204 Start- / Endseite: 1 - 7 Identifikator: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1