Magneto-Ionics in Single-Layer Transition Metal Nitrides.
electrolyte gating
magneto-ionics
metal nitrides
nitrogen ions
open volume defects
positron annihilation spectroscopy
transition metals
voltage control of magnetism
Journal
ACS applied materials & interfaces
ISSN: 1944-8252
Titre abrégé: ACS Appl Mater Interfaces
Pays: United States
ID NLM: 101504991
Informations de publication
Date de publication:
07 Jul 2021
07 Jul 2021
Historique:
pubmed:
23
6
2021
medline:
23
6
2021
entrez:
22
6
2021
Statut:
ppublish
Résumé
Magneto-ionics allows for tunable control of magnetism by voltage-driven transport of ions, traditionally oxygen or lithium and, more recently, hydrogen, fluorine, or nitrogen. Here, magneto-ionic effects in single-layer iron nitride films are demonstrated, and their performance is evaluated at room temperature and compared with previously studied cobalt nitrides. Iron nitrides require increased activation energy and, under high bias, exhibit more modest rates of magneto-ionic motion than cobalt nitrides. Ab initio calculations reveal that, based on the atomic bonding strength, the critical field required to induce nitrogen-ion motion is higher in iron nitrides (≈6.6 V nm
Identifiants
pubmed: 34156228
doi: 10.1021/acsami.1c06138
pmc: PMC8483439
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
30826-30834Références
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