Mixed topological semimetals driven by orbital complexity in two-dimensional ferromagnets.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
18 Jul 2019
18 Jul 2019
Historique:
received:
07
05
2018
accepted:
12
06
2019
entrez:
20
7
2019
pubmed:
20
7
2019
medline:
20
7
2019
Statut:
epublish
Résumé
The concepts of Weyl fermions and topological semimetals emerging in three-dimensional momentum space are extensively explored owing to the vast variety of exotic properties that they give rise to. On the other hand, very little is known about semimetallic states emerging in two-dimensional magnetic materials, which present the foundation for both present and future information technology. Here, we demonstrate that including the magnetization direction into the topological analysis allows for a natural classification of topological semimetallic states that manifest in two-dimensional ferromagnets as a result of the interplay between spin-orbit and exchange interactions. We explore the emergence and stability of such mixed topological semimetals in realistic materials, and point out the perspectives of mixed topological states for current-induced orbital magnetism and current-induced domain wall motion. Our findings pave the way to understanding, engineering and utilizing topological semimetallic states in two-dimensional spin-orbit ferromagnets.
Identifiants
pubmed: 31320628
doi: 10.1038/s41467-019-10930-6
pii: 10.1038/s41467-019-10930-6
pmc: PMC6639329
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
3179Subventions
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : SPP 1666
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : SFB 1238
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