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Revisit of XPS Studies of Supersonic O2 Molecular Adsorption on Cu(111): Copper Oxides
ACS Omega ( IF 3.7 ) Pub Date : 2021-09-29 , DOI: 10.1021/acsomega.1c04663
Koki Hayashida 1 , Yasutaka Tsuda 2 , Takashi Yamada 1 , Akitaka Yoshigoe 2 , Michio Okada 1, 3
Affiliation  

We report the X-ray photoemission spectroscopy (XPS) characterization of the bulk Cu2O(111) surface and “8” and “29” oxide structures on Cu(111) prepared using a 0.5 eV O2 supersonic molecular beam. We propose a new structural model for the “8” oxide structure and also confirm the previously proposed model for the “29” oxide structure on Cu(111), based on the O 1s XPS spectra. The detection angle dependence of the O 1s spectra supports that the nanopyramidal model is more preferable for the (√3 × √3)R30° Cu2O(111). We also report electronic excitations that O 1s electrons suffer.

中文翻译:

超音速 O2 分子吸附在 Cu(111) 上的 XPS 研究的重温:氧化铜

我们报告了使用 0.5 eV O 2超音速分子束制备的 Cu(111) 上的块体 Cu 2 O(111) 表面和“8”和“29”氧化物结构的 X 射线光电子能谱 (XPS) 表征。我们为“8”氧化物结构提出了一个新的结构模型,并基于 O 1s XPS 光谱证实了先前提出的 Cu(111) 上“29”氧化物结构的模型。O 1s 光谱的检测角度依赖性支持纳米锥体模型更适合 (√3 × √3) R 30° Cu 2 O(111)。我们还报告了 O 1s 电子遭受的电子激发。
更新日期:2021-10-12
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