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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Zhang, Ke
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (3/3 displayed)
- 2023Circulating proteins and peripheral artery disease risk: observational and Mendelian randomization analysescitations
- 2023Ultra-high vacuum compatible reactor for model catalyst study of ammonia synthesis at ambient pressurecitations
- 2015Does the Surface Structure of Oxide Affect the Strong Metal–Support Interaction with Platinum? Platinum on Fe<sub>3</sub>O<sub>4</sub>(0 0 1) versus Fe<sub>3</sub>O<sub>4</sub>(1 1 1)citations
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article
Does the Surface Structure of Oxide Affect the Strong Metal–Support Interaction with Platinum? Platinum on Fe<sub>3</sub>O<sub>4</sub>(0 0 1) versus Fe<sub>3</sub>O<sub>4</sub>(1 1 1)
Abstract
<jats:title>Abstract</jats:title><jats:p>We studied the structure and thermal stability of Pt deposited on a Fe<jats:sub>3</jats:sub>O<jats:sub>4</jats:sub>(0 0 1) thin film to make a comparison with the Pt/Fe<jats:sub>3</jats:sub>O<jats:sub>4</jats:sub>(1 1 1) system that shows a strong metal–support interaction (SMSI) through encapsulation. Pt adatoms interact strongly with the (√2×√2)R45°‐reconstructed Fe<jats:sub>3</jats:sub>O<jats:sub>4</jats:sub>(0 0 1) surface and adsorb monoatomically on the “narrow” sites. Metal sintering sets in only above 700 K to result in cuboid Pt nanoparticles exposing primarily (1 0 0) and (1 1 0) facets. Concomitantly, CO adsorption on Pt is fully suppressed as a result of the SMSI. The results provided strong evidence that the Pt nanoparticles on Fe<jats:sub>3</jats:sub>O<jats:sub>4</jats:sub>(0 0 1) are encapsulated by an FeO(1 1 1) layer in the same manner as observed for hemispherical Pt particles on Fe<jats:sub>3</jats:sub>O<jats:sub>4</jats:sub>(1 1 1). The comparison suggests that the SMSI effect through encapsulation is insensitive to the surface structure of the oxide, although the latter strongly affects the particle morphology.</jats:p>