Faster chiral versus collinear magnetic order recovery after optical excitation revealed by femtosecond XUV scattering.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
09 Dec 2020
09 Dec 2020
Historique:
received:
11
02
2020
accepted:
12
10
2020
entrez:
10
12
2020
pubmed:
11
12
2020
medline:
11
12
2020
Statut:
epublish
Résumé
While chiral spin structures stabilized by Dzyaloshinskii-Moriya interaction (DMI) are candidates as novel information carriers, their dynamics on the fs-ps timescale is little known. Since with the bulk Heisenberg exchange and the interfacial DMI two distinct exchange mechanisms are at play, the ultrafast dynamics of the chiral order needs to be ascertained and compared to the dynamics of the conventional collinear order. Using an XUV free-electron laser we determine the fs-ps temporal evolution of the chiral order in domain walls in a magnetic thin film sample by an IR pump - X-ray magnetic scattering probe experiment. Upon demagnetization we observe that the dichroic (CL-CR) signal connected with the chiral order correlator m
Identifiants
pubmed: 33298908
doi: 10.1038/s41467-020-19613-z
pii: 10.1038/s41467-020-19613-z
pmc: PMC7726566
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
6304Subventions
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : GU 535/4-1
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : KS 62/1-1
Commentaires et corrections
Type : ErratumIn
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