固体中惰性气体的纳米级分析

IF 2.5 4区化学 Q3 CHEMISTRY, ANALYTICAL

Journal of Analytical Science and Technology Pub Date : 2024-04-02 DOI:10.1186/s40543-024-00429-1

Ken-ichi Bajo, Hisayoshi Yurimoto

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引用次数: 0

摘要

惰性气体是地球化学的有用示踪剂，用于阐明太阳系和行星的起源和演变。惰性气体分析仅限于固体的块状和点状分析，尚未发展到二维和三维成像分析。本文回顾了利用二次中性质谱进行 He 同位素成像的最新进展。图像已完全量化，空间分辨率已达到纳米级。在横向微米分辨率下，氦的检测极限已降至 ~ 10-3 cm3 STP g-1 （ ~ 1017 cm-3, ~ 1 ppma）的水平。随着这项技术的发展，氦在固体中的浓度分布首次以地图的形式呈现出来。

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Nanoscale analysis of noble gas in solids

Noble gases are useful tracers for geochemistry, used to elucidate the origin and evolution of the solar system and planets. Noble gas analyses have been limited to bulk and spot analyses of solids and have yet to be developed for two- and three-dimensional imaging analysis. Recent developments in He isotope imaging using secondary neutral mass spectrometry are reviewed. The images have been fully quantified, and the spatial resolution has reached the nanoscale. The detection limit has been reduced to the level of ~ 10–3 cm3 STP g−1 (~ 1017 cm−3, ~ 1 ppma) for helium at lateral micrometer resolution. With this development, the concentration distribution of He in solids has been visualized as a map for the first time.

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来源期刊

Journal of Analytical Science and Technology Environmental Science-General Environmental Science

CiteScore

4.00

自引率

4.20%

发文量

审稿时长

13 weeks

期刊介绍： The Journal of Analytical Science and Technology (JAST) is a fully open access peer-reviewed scientific journal published under the brand SpringerOpen. JAST was launched by Korea Basic Science Institute in 2010. JAST publishes original research and review articles on all aspects of analytical principles, techniques, methods, procedures, and equipment. JAST’s vision is to be an internationally influential and widely read analytical science journal. Our mission is to inform and stimulate researchers to make significant professional achievements in science. We aim to provide scientists, researchers, and students worldwide with unlimited access to the latest advances of the analytical sciences.