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  Ostwald Ripening in an Oxide-on-Metal System

Michalak, N., Ossowski, T., Miłosz, Z., Prieto, M., Wang, Y., Werwiński, M., et al. (2022). Ostwald Ripening in an Oxide-on-Metal System. Advanced Materials Interfaces, 9(17): 2200222. doi:10.1002/admi.202200222.

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 Creators:
Michalak, Natalia1, 2, Author
Ossowski, Tomasz3, Author
Miłosz, Zygmunt1, Author
Prieto, Mauricio4, Author              
Wang, Ying1, Author
Werwiński, Mirosław2, Author
Babacic, Visnja1, Author
Genuzio, Francesca5, Author
Vattuone, Luca6, 7, Author
Kiejna, Adam3, Author
Schmidt, Thomas4, Author              
Lewandowski, Mikołaj1, Author
Affiliations:
1NanoBioMedical Centre, Adam Mickiewicz University, Wszechnicy Piastowskiej 3, Poznań, 61-614 Poland, ou_persistent22              
2Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, Poznań, 60-179 Poland, ou_persistent22              
3Institute of Experimental Physics, University of Wrocław, Pl. M. Borna 9, Wrocław, 50-204 Poland, ou_persistent22              
4Interface Science, Fritz Haber Institute, Max Planck Society, ou_2461712              
5Elettra–Sincrotrone Trieste S.C.p.A., S.S. 14 – km 163, 5 in AREA Science Park, Basovizza, Trieste, 34149 Italy, ou_persistent22              
6Dipartimento di Fisica, Università di Genova, Via Dodecaneso 33, Genova, 16146 Italy, ou_persistent22              
7IMEM-CNR, UOS Genova, Via Dodecaneso 33, Genova, 16146 Italy, ou_persistent22              

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 Abstract: Ostwald ripening is a well-known physicochemical phenomenon in which smaller particles, characterized by high surface energy, dissolve and feed the bigger ones that are thermodynamically more stable. The effect is commonly observed in solid and liquid solutions, as well as in systems consisting of supported metal clusters or liquid droplets. Here, evidence is provided for the occurrence of Ostwald ripening in an oxide-on-metal system which, in this case, consists of ultrathin iron monoxide (FeO) islands grown on Ru(0001) single-crystal support. The results reveal that the thermally-driven sintering of islands allows altering their fine structural characteristics, including size, perimeter length, defect density and stoichiometry, which are crucial, for example, from the point of view of heterogeneous catalysis.

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Language(s): eng - English
 Dates: 2022-03-222022-02-032022-05-012022-06-13
 Publication Status: Published online
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/admi.202200222
 Degree: -

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Title: Advanced Materials Interfaces
  Abbreviation : Adv. Mater. Interfaces
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: 7 Volume / Issue: 9 (17) Sequence Number: 2200222 Start / End Page: - Identifier: ISSN: 2196-7350
CoNE: https://pure.mpg.de/cone/journals/resource/2196-7350