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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 32, Number 2
BKCSDE 32(2)
February 20, 2011 

Reactive Ion Scattering of Low Energy Cs+ from Surfaces. A Technique for Surface Molecular Analysis
Heon Kang
Surface analysis, Ion scattering, Mass spectrometry, Catalytic reaction, Ice
Although the currently available surface spectroscopic techniques provide powerful means of studying atoms and simple molecules on surfaces, the identification of complex molecules and functional groups is a major concern in surface analysis. This article describes a recently developed method of surface molecular analysis based on reactive ion scattering (RIS) of low energy (< 100 eV) Cs+ beams. The RIS method can detect surface molecules via a mechanism in which a Cs+ projectile picks up an adsorbate from the surface during the scattering process. The basic principles of the method are reviewed and its applications are discussed by showing several examples from studies of molecules and their reactions on surfaces.
389 - 398
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