Auger- and photoelectron coincidences of molecular O2 adsorbed on Ag(111)
- The oxygen on Ag(111) system has been investigated with Auger electron-photoelectron coincidence spectroscopy (APECS). The coincidence spectra between O 1s core level photoelectrons and O KLL Auger electrons have been studied together with Ag(3)d/AgM4,5NN coincidences. We also describe the electron-electron coincidence spectrometer setup, CoESCA, consisting of two angle resolved time-of-flight spectrometers at a synchrotron light source. Contributions from molecular oxygen and chemisorbed oxygen are assigned using the coincidence data, conclusions are drawn primarily from the O 1s/O KLL data. The data acquisition and treatment procedure are also outlined. The chemisorbed oxygen species observed are relevant for the catalytic ethylene oxidation.
Verfasserangaben: | Fredrik O. L. JohanssonORCiD, Torsten LeitnerGND, Ieva BidermaneORCiD, Artur BornGND, Alexander FöhlischORCiDGND, Svante Svensson, Nils MårtenssonORCiD, Andreas LindbladORCiD |
---|---|
DOI: | https://doi.org/10.1016/j.elspec.2022.147174 |
ISSN: | 0368-2048 |
ISSN: | 1873-2526 |
Titel des übergeordneten Werks (Englisch): | Journal of electron spectroscopy and related phenomena : the international journal on theoretical and experimental aspects of electron spectroscopy |
Verlag: | Elsevier |
Verlagsort: | New York, NY [u.a.] |
Publikationstyp: | Wissenschaftlicher Artikel |
Sprache: | Englisch |
Datum der Erstveröffentlichung: | 01.04.2022 |
Erscheinungsjahr: | 2022 |
Datum der Freischaltung: | 02.05.2024 |
Freies Schlagwort / Tag: | APECS; Auger electron; coincidence; oxygen/Ag(111); photoelectron; spectroscopy |
Band: | 256 |
Aufsatznummer: | 147174 |
Seitenanzahl: | 6 |
Fördernde Institution: | European Union [730872]; Swedish Research Council [2014-6463,; 2018-05336]; Marie Sklodowska Curie Actions [INCA 600398]; K G Westman; foundation |
Organisationseinheiten: | Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie |
Peer Review: | Referiert |
Publikationsweg: | Open Access / Hybrid Open-Access |
Lizenz (Deutsch): | CC-BY - Namensnennung 4.0 International |