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Revisit of XPS studies of supersonic O$$_{2}$$ molecular adsorption on Cu(111); Copper oxides

Hayashida, Koki*; Tsuda, Yasutaka   ; Yamada, Takashi*; Yoshigoe, Akitaka ; Okada, Michio*

We report the X-ray photoemission spectroscopy (XPS) characterization of the bulk Cu$$_{2}$$O(111) surface and 8-type and 29-type oxide structures on Cu(111) prepared by using 0.5 eV O$$_{2}$$ supersonic molecular beam (SSMB) source. We propose a new structural model for the 8-type oxide structure and also confirmed the previously proposed model for the [29] oxide structure on Cu(111), based on the O1s XPS spectra. The detection-angle dependence of the O 1s spectra supports that the nanopyramidal model is more preferable for the ($$sqrt{3}$$X$$sqrt{3}$$)R30$$^{circ}$$ Cu$$_{2}$$O(111). We also report the electronic excitations which O1s electrons suffer.

Language

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English

Journal

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ACS Omega (Internet)

Volume

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6

Number

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40

Pages

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p.26814 - 26820

Publication Year/Month

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2021/10

Meeting title

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Held date

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Location (city)

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Location (country)

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Patent information

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PDF

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Paper URL

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https://doi.org/10.1021/acsomega.1c04663

DOI for research data

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Keywords

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放射光光電子分光; 銅酸化; 超音速分子線

Research Facility

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SPring-8(大型放射光施設)

Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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Accesses

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- Accesses

InCites™

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Percentile:44.69

Category:Chemistry, Multidisciplinary

Altmetrics

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