Acoustic Plasmons in Nickel and Its Modification upon Hydrogen Uptake.
electronic excitations
hydrides
nickel
plasmons
Journal
Nanomaterials (Basel, Switzerland)
ISSN: 2079-4991
Titre abrégé: Nanomaterials (Basel)
Pays: Switzerland
ID NLM: 101610216
Informations de publication
Date de publication:
28 Dec 2022
28 Dec 2022
Historique:
received:
03
12
2022
revised:
21
12
2022
accepted:
23
12
2022
entrez:
8
1
2023
pubmed:
9
1
2023
medline:
9
1
2023
Statut:
epublish
Résumé
In this work, we study, in the framework of the ab initio linear-response time-dependent density functional theory, the low-energy collective electronic excitations with characteristic sound-like dispersion, called acoustic plasmons, in bulk ferromagnetic nickel. Since the respective spatial oscillations in slow and fast charge systems involve states with different spins, excitation of such plasmons in nickel should result in the spatial variations in the spin structure as well. We extend our study to NiHx with different hydrogen concentrations
Identifiants
pubmed: 36616051
pii: nano13010141
doi: 10.3390/nano13010141
pmc: PMC9823890
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : Ministry of Science and Higher Education of the Russian Federation
ID : 0721-2020-0033
Organisme : MCIN/AEI/10.13039/501100011033
ID : PID2019-105488GB-I00
Organisme : Saint Petersburg State University
ID : 90383050
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