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Türk, Hanna ; Götsch, Thomas ; Schmidt, Franz-Philipp ; Hammud, Adnan ; Ivanov, Danail ; de Haart, L. G. J. (Bert) ; Vinke, Izaak C. ; Eichel, Rüdiger-A. ; Schlögl, Robert ; Reuter, Karsten ; Knop-Gericke, Axel ; Lunkenbein, Thomas ; Scheurer, Christoph:
Sr Surface Enrichment in Solid Oxide Cells : Approaching the Limits of EDX Analysis by Multivariate Statistical Analysis and Simulations.
In: ChemCatChem.
Bd. 14
(2022)
Heft 19
.
- e202200300.
ISSN 1867-3899
DOI: https://doi.org/10.1002/cctc.202200300
Abstract
In solid oxide cells, Sr segregation has been correlated with degradation. Yet, the atomistic mechanism remains unknown. Here we begin to localize the origin of Sr surface nucleation by combining force field based simulations, energy dispersive X-ray spectroscopy (EDX), and multi-variate statistical analysis. We find increased ion mobility in the complexion between yttria-stabilized zirconia and strontium-doped lanthanum manganite. Furthermore, we developed a robust and automated routine to detect localized nucleation seeds of Sr at the complexion surface. This hints at a mechanism originating at the complexion and requires in-depth studies at the atomistic level, where the developed routine can be beneficial for analyzing large hyperspectral EDX datasets.
Weitere Angaben
| Publikationsform: | Artikel in einer Zeitschrift |
|---|---|
| Begutachteter Beitrag: | Ja |
| Zusätzliche Informationen: | WOS:000834447100001 |
| Institutionen der Universität: | Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie |
| Titel an der UBT entstanden: | Nein |
| Themengebiete aus DDC: | 500 Naturwissenschaften und Mathematik > 540 Chemie |
| Eingestellt am: | 12 Jun 2025 09:59 |
| Letzte Änderung: | 12 Jun 2025 09:59 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/93677 |