A quantum sensor for atomic-scale electric and magnetic fields.
Journal
Nature nanotechnology
ISSN: 1748-3395
Titre abrégé: Nat Nanotechnol
Pays: England
ID NLM: 101283273
Informations de publication
Date de publication:
25 Jul 2024
25 Jul 2024
Historique:
received:
17
02
2024
accepted:
18
06
2024
medline:
26
7
2024
pubmed:
26
7
2024
entrez:
25
7
2024
Statut:
aheadofprint
Résumé
The detection of faint magnetic fields from single-electron and nuclear spins at the atomic scale is a long-standing challenge in physics. While current mobile quantum sensors achieve single-electron spin sensitivity, atomic spatial resolution remains elusive for existing techniques. Here we fabricate a single-molecule quantum sensor at the apex of the metallic tip of a scanning tunnelling microscope by attaching Fe atoms and a PTCDA (3,4,9,10-perylenetetracarboxylic-dianhydride) molecule to the tip apex. We address the molecular spin by electron spin resonance and achieve ~100 neV resolution in energy. In a proof-of-principle experiment, we measure the magnetic and electric dipole fields emanating from a single Fe atom and an Ag dimer on an Ag(111) surface with sub-angstrom spatial resolution. Our method enables atomic-scale quantum sensing experiments of electric and magnetic fields on conducting surfaces and may find applications in the sensing of spin-labelled biomolecules and of spin textures in quantum materials.
Identifiants
pubmed: 39054385
doi: 10.1038/s41565-024-01724-z
pii: 10.1038/s41565-024-01724-z
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : Bundesministerium für Bildung und Forschung (Federal Ministry of Education and Research)
ID : 13N16032
Organisme : Bundesministerium für Bildung und Forschung (Federal Ministry of Education and Research)
ID : 13N16032
Organisme : Bundesministerium für Bildung und Forschung (Federal Ministry of Education and Research)
ID : 13N16032
Informations de copyright
© 2024. The Author(s).
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