001     1039745
005     20250220092010.0
037 _ _ |a FZJ-2025-01784
100 1 _ |a Bolat, Rustem
|0 P:(DE-HGF)0
|b 0
|e First author
245 _ _ |a The electrostatic potential of atomic nanostructures on a metal surface
260 _ _ |c 2023
336 7 _ |a Preprint
|b preprint
|m preprint
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|s 1739863342_1838
|2 PUB:(DE-HGF)
336 7 _ |a WORKING_PAPER
|2 ORCID
336 7 _ |a Electronic Article
|0 28
|2 EndNote
336 7 _ |a preprint
|2 DRIVER
336 7 _ |a ARTICLE
|2 BibTeX
336 7 _ |a Output Types/Working Paper
|2 DataCite
520 _ _ |a The discrete and charge-separated nature of matter - electrons and nuclei - results in local electrostatic fields that are ubiquitous in nanoscale structures and are determined by their shape, material, and environment. Such fields are relevant in catalysis, nanoelectronics and quantum nanoscience, and their control will become even more important as the devices in question reach few-nanometres dimensions. Surface-averaging techniques provide only limited experimental access to these potentials at and around individual nanostructures. Here, we use scanning quantum dot microscopy to investigate how electric potentials evolve as nanostructures are built up atom by atom. We image the potential over adatoms, chains, and clusters of Ag and Au atoms on Ag(111) and quantify their surface dipole moments. By focusing on the total charge density, these data establish a new benchmark for ab initio calculations. Indeed, our density functional theory calculations not only show an impressive agreement with experiment, but also allow a deeper analysis of the mechanisms behind the dipole formation, their dependence on fundamental atomic properties and on the atomic configuration of the nanostructures. This allows us to formulate an intuitive picture of the basic mechanisms behind dipole formation, which enables better design choices for future nanoscale systems such as single atom catalysts.
536 _ _ |a 5213 - Quantum Nanoscience (POF4-521)
|0 G:(DE-HGF)POF4-5213
|c POF4-521
|f POF IV
|x 0
588 _ _ |a Dataset connected to DataCite
700 1 _ |a Guevara Parra, Jose Maria
|0 P:(DE-Juel1)187493
|b 1
700 1 _ |a Leinen, Philipp
|0 P:(DE-Juel1)164154
|b 2
700 1 _ |a Knol, Marvin
|0 P:(DE-Juel1)176201
|b 3
700 1 _ |a Arefi, Hadi
|0 P:(DE-Juel1)176199
|b 4
|u fzj
700 1 _ |a Maiworm, Michael
|0 P:(DE-Juel1)176675
|b 5
700 1 _ |a Findeisen, R.
|0 P:(DE-HGF)0
|b 6
700 1 _ |a Temirov, Ruslan
|0 P:(DE-Juel1)128792
|b 7
|u fzj
700 1 _ |a Hofmann, O. T.
|0 P:(DE-HGF)0
|b 8
700 1 _ |a Maurer, R. J.
|0 P:(DE-HGF)0
|b 9
700 1 _ |a Tautz, Frank Stefan
|0 P:(DE-Juel1)128791
|b 10
|u fzj
700 1 _ |a Wagner, Christian
|0 P:(DE-Juel1)140276
|b 11
|e Corresponding author
|u fzj
856 4 _ |u https://www.arxiv.org/abs/2312.13579v1
909 C O |o oai:juser.fz-juelich.de:1039745
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913 1 _ |a DE-HGF
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|x 0
914 1 _ |y 2024
920 1 _ |0 I:(DE-Juel1)PGI-3-20110106
|k PGI-3
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|x 0
980 _ _ |a preprint
980 _ _ |a VDB
980 _ _ |a I:(DE-Juel1)PGI-3-20110106
980 _ _ |a UNRESTRICTED


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