Disentangling the multiorbital contributions of excitons by photoemission exciton tomography.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
28 Feb 2024
28 Feb 2024
Historique:
received:
02
04
2023
accepted:
08
02
2024
medline:
28
2
2024
pubmed:
28
2
2024
entrez:
27
2
2024
Statut:
epublish
Résumé
Excitons are realizations of a correlated many-particle wave function, specifically consisting of electrons and holes in an entangled state. Excitons occur widely in semiconductors and are dominant excitations in semiconducting organic and low-dimensional quantum materials. To efficiently harness the strong optical response and high tuneability of excitons in optoelectronics and in energy-transformation processes, access to the full wavefunction of the entangled state is critical, but has so far not been feasible. Here, we show how time-resolved photoemission momentum microscopy can be used to gain access to the entangled wavefunction and to unravel the exciton's multiorbital electron and hole contributions. For the prototypical organic semiconductor buckminsterfullerene (C
Identifiants
pubmed: 38413573
doi: 10.1038/s41467-024-45973-x
pii: 10.1038/s41467-024-45973-x
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1804Subventions
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : 432680300/SFB 1456
Organisme : Austrian Science Fund (Fonds zur Förderung der Wissenschaftlichen Forschung)
ID : I 4145
Informations de copyright
© 2024. The Author(s).
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