Bibliographic Details
| Title: |
Nanoscale analysis of noble gas in solids. |
| Authors: |
Bajo, Ken-ichi1 (AUTHOR), Yurimoto, Hisayoshi1 (AUTHOR) yuri@ep.sci.hokudai.ac.jp |
| Source: |
Journal of Analytical Science & Technology. 4/2/2024, Vol. 15 Issue 1, p1-9. 9p. |
| Subject Terms: |
*SOLID rare gases, *GAS analysis, *THREE-dimensional imaging, *SPATIAL resolution, *MASS spectrometry, *NOBLE gases |
| Abstract: |
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. [ABSTRACT FROM AUTHOR] |
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