The X-ray photoelectron spectroscopy study of triuranium octaoxide

Wang Xiaolin    Fu Yibei    Xie Renshou

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The X-ray photoelectron spectroscopy study of triuranium octaoxide

更新时间：2021-04-09

- The X-ray photoelectron spectroscopy study of triuranium octaoxide
- NUCLEAR TECHNIQUES Issue 4, (1997)
- 作者机构：
  
  1. 中国工程物理研究院核物理与化学研究所
  2. 四川联合大学
  3. 中国工程物理研究院核物理与化学研究所四川联合大学
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL271.7
- Published：01 April 1997
- 稿件说明：
移动端阅览
[1]汪小琳,傅依备,谢仁寿,左长明,赵纯培,陈红.八氧化三铀的 X 射线光电子能谱研究[J].核技术,1997(04):19-23.

Wang Xiaolin Fu Yibei Xie Renshou. The X-ray photoelectron spectroscopy study of triuranium octaoxide[J]. Nuclear techniques, 1997, (4).
[1]汪小琳,傅依备,谢仁寿,左长明,赵纯培,陈红.八氧化三铀的 X 射线光电子能谱研究[J].核技术,1997(04):19-23. DOI：

Wang Xiaolin Fu Yibei Xie Renshou. The X-ray photoelectron spectroscopy study of triuranium octaoxide[J]. Nuclear techniques, 1997, (4). DOI：

摘要

用Ｘ射线光电子能谱（ＸＰＳ）分析研究了八氧化三铀（Ｕ３Ｏ８）的表面结构以及一氧化碳对Ｕ３Ｏ８表面结构的影响。Ｕ３Ｏ８为混合价化合物，ＸＰＳ分析表明它符合Ｕ２ⅥＵｎ－２ⅣＯ２ｎ＋２模式。在７．２×１０６ＬＣＯ气氛中，Ｕ３Ｏ８中氧含量减少，Ｏ／Ｕ比值下降了８．０％。同时ＵＯ３的量减少了１６．６％。研究结果表明一氧化碳气氛对Ｕ３Ｏ８的表面有一定的还原作用。

Abstract

The surface structure of triuranium octaoxide（U 3O 8） and the influence of carbon monoxide on the surface layer of U 3O 8 have been studied by X-ray photoelectron spectroscopy（XPS）. As a mixed-valence compound

U 3O 8 was found to have a surface structure compatible with the general formula U 2 Ⅵ U n-2 Ⅳ O 2n+2 . After exposure of U 3O 8 to 7.2×10 6 L CO

the content of oxygen in the oxide decreased and O/U ratio decreased by 8.0%

and amount of uranium trioxide in U 3O 8 was decreased by 16.6%. The investigation indicated that the surface of triuranium octaoxide was reduced to some extent in the atmosphere of carbon monoxide.

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WANG Xiaolin FU Yibei XIE Renshou

傅依备

谢仁寿

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Institute of Nuclear Physics and Chemistry. CAEP

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