离子注入碳对铀表面初始氧化行为影响的研究

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Study on Initial Oxidation of Uranium Surface with Implantation of C Ions

摘要: 用俄歇电子能谱(AES)分别对高真空室中铀样品及多能量叠加离子注入碳铀样品与氧气吸附及初始氧化过程进行了研究。结果表明,在高真空室中,清洁铀表面很容易吸附氧化,发生氧化反应,当O₂暴露剂量为40 L时,清洁铀表面就会形成一层UO₂;离子注入碳后铀表面的抗氧化能力增强。
- 离子注入 /
- 碳 /
- 铀表面 /
- 初始氧化 /
- 俄歇电子能谱
Abstract: The initial oxidation of uranium and uranium samples which were overlapped energy ionimplanted with C ions was studied respectively by Auger electron spectroscopy (AES).The results showed that the clean uranium surface can be oxidated at high vacuum atmosphere.and when exposed dose of oxygen was 40L,the surface was covered with UO2.The study indicated that the antioxidation properties of uranium surface had been improved apparently after ion implantation.
- Ion-implantation /
- Carbon /
- Surface of uranium /
- Initial oxidation /
- Auger electron spectros-copy（AES）