Probing Surface-Mediated Electronic Coupling in Flat Hexagonal Phosphorus Nanostructures and Monolayer on Au(111).
density functional theory
phosphorene
scanning tunneling microscopy
Journal
Small (Weinheim an der Bergstrasse, Germany)
ISSN: 1613-6829
Titre abrégé: Small
Pays: Germany
ID NLM: 101235338
Informations de publication
Date de publication:
14 Oct 2024
14 Oct 2024
Historique:
revised:
23
09
2024
received:
15
07
2024
medline:
15
10
2024
pubmed:
15
10
2024
entrez:
15
10
2024
Statut:
aheadofprint
Résumé
Due to its diverse allotropes and intriguing properties, 2D phosphorus, also known as phosphorene, is a material of great interest. Here, the successful growth of flat hexagonal 2D phosphorus on Au(111) is reported. Starting from phosphorus linear chains at low coverage, a porous network and finally an extended 2D flat hexagonal (HexP) layer while increasing phosphorus deposition is formed. Using scanning tunneling microscopy/spectroscopy combined with ab initio calculations, the structure and electronic properties of the as-grown phosphorus structures are followed. The progressive formation of a phosphorus electronic band in the conduction band region is followed. More strikingly, a partial flatband that appears only on the HexP phase characterized by a sharp peak in the electronic spectrum is observed. These bands arise from the hybridization of phosphorus and gold atoms. This novel phosphorus-based structure exhibits remarkable electronic properties due to gold mediated phosphorus-phosphorus electronic coupling. This work paves the way for new interface material developments with attractive electronic properties.
Identifiants
pubmed: 39402775
doi: 10.1002/smll.202405924
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e2405924Subventions
Organisme : French National Research Agency
ID : ANR-20-CE09-0023 DEFINE2D
Organisme : French National Research Agency
ID : ANR-22-CE09-0022 2DPhostrainE
Informations de copyright
© 2024 The Author(s). Small published by Wiley‐VCH GmbH.
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