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  Stability of Weyl points in magnetic half-metallic Heusler compounds

Chadov, S., Wu, S.-C., Felser, C., & Galanakis, I. (2017). Stability of Weyl points in magnetic half-metallic Heusler compounds. Physical Review B, 96(2): 024435, pp. 1-5. doi:10.1103/PhysRevB.96.024435.

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Datensatz-Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-17C8-0 Versions-Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-17CC-8
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Chadov, Stanislav1, Autor              
Wu, Shu-Chun2, Autor              
Felser, Claudia3, Autor              
Galanakis, Iosif4, Autor
Affiliations:
1Stanislav Chadov, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863440              
2Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
3Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              
4External Organizations, ou_persistent22              

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 Zusammenfassung: We employ ab initio fully relativistic electronic structure calculations to study the stability of the Weyl points in the momentum space within the class of the half-metallic ferromagnetic full Heusler materials, by focusing on Co2TiAl as a well-established prototype compound. Here we show that both the number of the Weyl points together with their k-space coordinates can be controlled by the orientation of the magnetization. This alternative degree of freedom, which is absent in other topological materials (e.g., in Weyl semimetals), introduces functionalities that are specific for the class of half-metallic ferromagnets. Of special interest are crossing points which are preserved irrespective of any arbitrary rotation of the magnetization axis.

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Sprache(n): eng - Englisch
 Datum: 2017-07-242017-07-24
 Publikationsstatus: Im Druck publiziert
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: ISI: 000412770000005
DOI: 10.1103/PhysRevB.96.024435
 Art des Abschluß: -

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Titel: Physical Review B
  Kurztitel : Phys. Rev. B
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Woodbury, NY : American Physical Society
Seiten: - Band / Heft: 96 (2) Artikelnummer: 024435 Start- / Endseite: 1 - 5 Identifikator: ISSN: 1098-0121
CoNE: /journals/resource/954925225008