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  Inelastic electron scattering by the gas phase in near ambient pressure XPS measurements

Pielsticker, L., Nicholls, R., Beeg, S., Hartwig, C., Klihm, G., Schlögl, R., et al. (2021). Inelastic electron scattering by the gas phase in near ambient pressure XPS measurements. Surface and Interface Analysis, 53(7), 605-617. doi:10.1002/sia.6947.

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 Urheber:
Pielsticker, Lukas1, Autor
Nicholls, Rachel1, Autor
Beeg, Sebastian1, Autor
Hartwig, Caroline1, Autor
Klihm, Gudrun1, Autor
Schlögl, Robert1, 2, Autor           
Tougaard, Sven3, Autor
Greiner, Mark1, Autor
Affiliations:
1Department of Heterogeneous Reactions, Max Plank Institute for Chemical Energy Conversion, Mülheim an der Ruhr, Germany, ou_persistent22              
2Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              
3Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Odense, Denmark, ou_persistent22              

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 Zusammenfassung: X‐ray photoemission spectroscopy (XPS) measurements in near‐ambient pressure (NAP) conditions result in a signal loss of the primary spectrum as a result of inelastic scattering of photoelectrons in the gas phase. The inelastic scattering of the primary electrons gives rise to a secondary signal that can result in additional and often unwanted features in the measured spectrum. In the present work, we derive equations that can be used to model the resulting signal and provide equations that can be used to simulate or remove the inelastic scattering signal from measured spectra. We demonstrate this process for photoemission spectra of a wide range of kinetic energies, measured from Au, Ag, and Cu, in a variety of gases (N2, He, H2, and O2). The work is supplemented with an open‐source software in which the algorithms described here have been implemented and can be used to remove the gas phase inelastic scattering signal.

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Sprache(n): eng - English
 Datum: 2021-01-062021-03-132021-05-072021-07
 Publikationsstatus: Erschienen
 Seiten: 13
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1002/sia.6947
 Art des Abschluß: -

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Titel: Surface and Interface Analysis
  Kurztitel : Surf. Interface Anal.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: New York, NY : John Wiley & Sons
Seiten: 13 Band / Heft: 53 (7) Artikelnummer: - Start- / Endseite: 605 - 617 Identifikator: ISSN: 0142-2421
CoNE: https://pure.mpg.de/cone/journals/resource/954925471358