Dynamic hetero-metallic bondings visualized by sequential atom imaging.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
27 May 2022
27 May 2022
Historique:
received:
02
12
2021
accepted:
28
04
2022
entrez:
27
5
2022
pubmed:
28
5
2022
medline:
28
5
2022
Statut:
epublish
Résumé
Traditionally, chemistry has been developed to obtain thermodynamically stable and isolable compounds such as molecules and solids by chemical reactions. However, recent developments in computational chemistry have placed increased importance on studying the dynamic assembly and disassembly of atoms and molecules formed in situ. This study directly visualizes the formation and dissociation dynamics of labile dimers and trimers at atomic resolution with elemental identification. The video recordings of many homo- and hetero-metallic dimers are carried out by combining scanning transmission electron microscopy (STEM) with elemental identification based on the Z-contrast principle. Even short-lived molecules with low probability of existence such as AuAg, AgCu, and AuAgCu are directly visualized as a result of identifying moving atoms at low electron doses.
Identifiants
pubmed: 35624108
doi: 10.1038/s41467-022-30533-y
pii: 10.1038/s41467-022-30533-y
pmc: PMC9142510
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
2968Subventions
Organisme : MEXT | Japan Society for the Promotion of Science (JSPS)
ID : 19H02535
Organisme : MEXT | Japan Society for the Promotion of Science (JSPS)
ID : 21H05023
Organisme : MEXT | JST | Exploratory Research for Advanced Technology (ERATO)
ID : JPMJER1503
Informations de copyright
© 2022. The Author(s).
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