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  Resolving atomic diffusion in Ru(0001)-O(2×2) with spiral high-speed scanning tunneling microscopy

Gura, L., Yang, Z., Paier, J., Kalass, F., Brinker, M., Heyde, M., et al. (2022). Resolving atomic diffusion in Ru(0001)-O(2×2) with spiral high-speed scanning tunneling microscopy. Physical Review B, 105(3): 035411. doi:10.1103/PhysRevB.105.035411.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0009-E8D8-E Version Permalink: https://hdl.handle.net/21.11116/0000-000C-71F2-3
Genre: Journal Article

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PhysRevB.105.035411.pdf (Publisher version), 2MB
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https://hdl.handle.net/21.11116/0000-0009-F0BC-4
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2022
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 Creators:
Gura, Leonard1, Author           
Yang, Zechao1, Author           
Paier, Joachim2, Author
Kalass, Florian1, Author           
Brinker, Matthias1, Author           
Heyde, Markus1, Author           
Freund, Hans-Joachim1, Author           
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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 Abstract: An intermediate state in atomic diffusion processes in the O(2×2) layer on Ru(0001) is resolved with spiral high-speed scanning tunneling microscopy (STM). The diffusion of atomic oxygen in the adlayer has been studied by density functional theory and STM. Transition state theory proposes a migration pathway for the diffusion in the oxygen adlayer. With spiral scan geometries—a new approach to high-speed STM—the oxygen vacancy mobility on the highly covered Ru(0001) surface is determined to be in the range of 0.1 to 1 Hz. Experimental evidence for the intermediate state along the oxygen diffusion pathway is provided in real space and real time.

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Language(s): eng - English
 Dates: 2021-10-152021-07-202021-12-142022-01-112022-01-15
 Publication Status: Issued
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevB.105.035411
 Degree: -

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Project name : CRYVISIL - Crystalline and vitreous silica films and their interconversion
Grant ID : 669179
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)

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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: 7 Volume / Issue: 105 (3) Sequence Number: 035411 Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008