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  Dynamics in the O(2 × 1) adlayer on Ru(0001): bridging timescales from milliseconds to minutes by scanning tunneling microscopy

Gura, L., Yang, Z., Paier, J., Kalass, F., Brinker, M., Junkes, H., et al. (2022). Dynamics in the O(2 × 1) adlayer on Ru(0001): bridging timescales from milliseconds to minutes by scanning tunneling microscopy. Physical Chemistry Chemical Physics, 24(25), 15265-15270. doi:10.1039/d2cp02363f.

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 Urheber:
Gura, Leonard1, Autor           
Yang, Zechao1, Autor           
Paier, Joachim2, Autor
Kalass, Florian1, Autor           
Brinker, Matthias1, Autor           
Junkes, Heinz1, Autor           
Heyde, Markus1, Autor           
Freund, Hans-Joachim1, Autor           
Affiliations:
1Chemical Physics, Fritz Haber Institute, Max Planck Society, ou_24022              
2Humboldt Universität zu Berlin, Unter den Linden 6, 10099 Berlin, Germany , ou_persistent22              

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 Zusammenfassung: The dynamics within an O(2 × 1) adlayer on Ru(0001) is studied by density functional theory and high-speed scanning tunneling microscopy. Transition state theory proposes dynamic oxygen species in the reduced O(2 × 1) layer at room temperature. Collective diffusion processes can result in structural reorientations of characteristic stripe patterns. Spiral high-speed scanning tunneling microscopy measurements reveal this reorientation as a function of time in real space. Measurements, ranging over several minutes with constantly high frame rates of 20 Hz resolved the gradual reorientation. Moreover, reversible fast flipping events of stripe patterns are observed. These measurements relate the observations of long-term atomic rearrangements and their underlying fast processes captured within several tens of milliseconds.

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Sprache(n): eng - English
 Datum: 2022-05-252022-06-022022-06-132022-07-07
 Publikationsstatus: Erschienen
 Seiten: 6
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1039/d2cp02363f
 Art des Abschluß: -

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Projektname : CRYVISIL - Crystalline and vitreous silica films and their interconversion
Grant ID : 669179
Förderprogramm : Horizon 2020 (H2020)
Förderorganisation : European Commission (EC)

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Titel: Physical Chemistry Chemical Physics
  Kurztitel : Phys. Chem. Chem. Phys.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Cambridge, England : Royal Society of Chemistry
Seiten: 6 Band / Heft: 24 (25) Artikelnummer: - Start- / Endseite: 15265 - 15270 Identifikator: ISSN: 1463-9076
CoNE: https://pure.mpg.de/cone/journals/resource/954925272413_1