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Valence band behaviour of zirconium oxide, Photoelectron and Auger spectroscopy study

Azdad, Zakaria and Marot, Laurent and Moser, Lucas and Steiner, Roland and Meyer, Ernst. (2018) Valence band behaviour of zirconium oxide, Photoelectron and Auger spectroscopy study. Scientific Reports, 8. p. 16251.

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Official URL: https://edoc.unibas.ch/68093/

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Abstract

In this study X-ray Photoelectron Spectroscopy and Ultraviolet Photoelectron Spectroscopy were combined to investigate the effect of oxygen incorporation on the valence band behaviour of ZrOx. The Auger transitions involving valence bands are found to mimic the self-folded density of state measured using Ultraviolet Photoelectron Spectroscopy. The valence band once constructed in a sub-oxide form, stays at a fixed energy position despite the change in the stoichiometry. This behaviour is found to be useful in setting a reference for X-ray Photoelectron Spectroscopy charge correction. The results of the charged corrected spectra were compared to other methods and found to be in great agreement. Finally, a correlation between the core-level binding energy and the structural property of ZrOx is given.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Nanomechanik (Meyer)
UniBasel Contributors:Meyer, Ernst
Item Type:Article, refereed
Article Subtype:Research Article
ISSN:2045-2322
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:02 Apr 2019 10:27
Deposited On:02 Apr 2019 10:27

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