Ion Desorption Reactions Following Core Electron Excitation.

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  • 内殻励起イオン脱離反応
  • ナイカク レイキ イオン ダツリ ハンノウ

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Abstract

Photochemical reactions following core electron excitation on solid surfaces have been subject of intense research. Among such surface reactions, photon stimulated ion desorption (PSID) is a relatively simple and important process to investigate reaction dynamics both theoretically and experimentally.<br>Recently, we have studied PSID from small molecules on Si(100) surface and from polymer thin films using time-of-flight mass spectrometric techniques and observed sitespecific and state-specific chemical reactions. Experimental results for H2O/Si(100), DCOOD/Si(100) and poly(methyl methacrylate) (PMMA) thin films are discussed in terms of primary excitations followed by the Auger decay and the delocalization of the excitation.

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