Journal of the Mass Spectrometry Society of Japan
Online ISSN : 1880-4225
Print ISSN : 1340-8097
ISSN-L : 1340-8097
総説
基礎から学ぶマススペクトロメトリー/質量分析の源流
第5回 内殻励起反応
和田 真一田中 健一郎
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ジャーナル フリー

2010 年 58 巻 1 号 p. 17-27

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Core electron excitation possesses an attractive potential of inducing selective chemical bond breaking. Compared to valence excitation, core excitation takes place within a small area because of its spatial localization and atomic selectivity. Therefore, a specific atom in a molecule can be excited selectively. The core-excited state is quite unstable with an extremely high energy, so consecutive decay processes—Auger decay and ionic dissociation—can occur in the vicinity of the excited atom. From this concept, site-selective ionic fragmentation has been widely and successfully investigated in various core-excited molecular systems. This paper briefly describes the characteristics of core excitation and experimental methods, and then reviews representative recent studies about site-selective chemical bond breaking induced by core excitation.

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© 2010 日本質量分析学会
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