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在双壁细胞中激光诱导的二氧化等离子体

Eliel Villa-Aleman¹, Emily H Kwapis², Bryan J Foley¹

¹Savannah River National Laboratory, Aiken, South Carolina, USA.

Applied spectroscopy

|February 5, 2024

概括

研究人员探索了激光诱导分解光谱 (LIBS) 用于二氧化 (PuO2) 研究,使用双壁细胞 (DWC). 这种方法提供了手套箱的替代方案,使得新的化合物的光谱研究核取证.

科学领域:

核化学核化学核化学
频谱学是一种光谱学.
材料科学材料科学材料科学

背景情况:

由于行政控制,安全协议和放射性手套箱的设备限制,研究面临着挑战.
对Pu载体化合物的有限光谱研究阻碍了科学进步.
双壁细胞 (DWC) 为在传统手套箱之外进行化合物研究提供了更安全的替代方案.

研究的目的:

提出使用DWC作为对二氧化 (PuO2) 的光谱研究的可行替代方案.
报告在DWC中的PuO2颗粒上进行的第一个激光诱导分解光谱 (LIBS) 实验.
探索LIBS作为核取证应用工具的潜力.

主要方法:

激光诱导分解光谱学 (LIBS) 在DWC内放置的PuO2颗粒上进行.
拉曼光谱法被用来分析废弃的颗粒表面和沉积的颗粒.
扫描电子显微镜 (SEM) 用于描述DWC窗口上的颗粒物的形态.

主要成果:

LIBS成功测量了PuO2颗粒中元素 (原子和离子) 物种和分子产品 (PuO) 的形成.
拉曼光谱学提供了有关颗粒表面温度和颗粒的晶格格乱的见解.
在DWC窗口上,SEM揭示了化的不规则颗粒和球体,这表明在切除过程中发生了物质转变.

结论:

在DWC中进行LIBS实验是研究PuO2的可行方法,克服了放射性手套箱的局限性.
这项工作表明了将LIBS集成到核取证的光谱技术中的潜力.
使用DWC进行进一步的研究可以扩大对具有挑战性的活性化物材料的光谱分析.

关键词:

图书馆图书馆图书馆图书馆二氧化二氧化是什么?二氧化二氧化是什么?拉曼光谱法拉曼光谱法激光诱导的分解光谱学核取证科学是核取证科学.扫描电子显微镜扫描电子显微镜振动光谱学是一种振动光谱学.

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