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Origin of the core-level binding energy shifts in Au nanoclusters
Linköping University, Department of Physics, Chemistry and Biology, Theoretical Physics. Linköping University, Faculty of Science & Engineering. National University of Science and Technology MISIS, Russia.
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology, Theoretical Physics. Linköping University, Faculty of Science & Engineering.
2017 (English)In: Physical Review B, ISSN 2469-9950, E-ISSN 2469-9969, Vol. 95, no 24, 245402Article in journal (Refereed) Published
Abstract [en]

We investigate the shifts of the core-level binding energies in small gold nanoclusters by using ab initio density-functional-theory calculations. The shift of the 4f states is calculated for magic-number nanoclusters in a wide range of sizes and morphologies. We find a nonmonotonous behavior of the core-level shift in nanoclusters depending on the size. We demonstrate that there are three main contributions to the Au 4f shifts, which depend sensitively on the interatomic distances, coordination, and quantum confinement. They are identified and explained by the change of the on-site electrostatic potential.

Place, publisher, year, edition, pages
AMER PHYSICAL SOC , 2017. Vol. 95, no 24, 245402
National Category
Theoretical Chemistry
Identifiers
URN: urn:nbn:se:liu:diva-138891DOI: 10.1103/PhysRevB.95.245402ISI: 000402654300006OAI: oai:DiVA.org:liu-138891DiVA: diva2:1115939
Note

Funding Agencies|Knut and Alice Wallenberg Foundation [2012.0083]; Strong Field Physics and New States of Matter (COTXS); Ministry of Education and Science of the Russian Federation [14.Y26.31.0005]; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University [2009 00971]

Available from: 2017-06-27 Created: 2017-06-27 Last updated: 2017-06-27

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