Coherent ac spin current transmission across an antiferromagnetic CoO insulator.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
20 11 2019
20 11 2019
Historique:
received:
22
05
2019
accepted:
24
10
2019
entrez:
22
11
2019
pubmed:
22
11
2019
medline:
22
11
2019
Statut:
epublish
Résumé
The recent discovery of spin current transmission through antiferromagnetic insulating materials opens up vast opportunities for fundamental physics and spintronics applications. The question currently surrounding this topic is: whether and how could THz antiferromagnetic magnons mediate a GHz spin current? This mismatch of frequencies becomes particularly critical for the case of coherent ac spin current, raising the fundamental question of whether a GHz ac spin current can ever keep its coherence inside an antiferromagnetic insulator and so drive the spin precession of another ferromagnet layer coherently? Utilizing element- and time-resolved x-ray pump-probe measurements on Py/Ag/CoO/Ag/Fe
Identifiants
pubmed: 31748514
doi: 10.1038/s41467-019-13280-5
pii: 10.1038/s41467-019-13280-5
pmc: PMC6868243
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
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