Abstract
Techniques for probing the structure of isolated metal clusters through adsorbate binding patterns will be described. The saturation of clusters with reagents such as ammonia and nitrogen provides information on the number of preferred binding sites for these reagents. The dependence of this number on cluster size can suggest particular structural themes. The equilibrium reaction with water can be used to identify cluster sizes having especially enhanced binding for the water molecule. Again, the sequence of cluster sizes showing such enhancement can point to specific cluster structure. The reaction with oxygen can identify cluster sizes having particularly high ionization potentials, and these can be compared to simple models for the electronic structure of metal clusters. Representative applications of these probes to iron, cobalt, nickel, and copper clusters will be discussed.
Work performed under the auspices of the Office of Basic Energy Sciences, Division of Chemical Science, US-DOE under contract number W-31-109-ENG-38.
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© 1992 Springer Science+Business Media Dordrecht
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Riley, S.J., Parks, E.K. (1992). Atomic Structure of Clusters through Chemical Reactions. In: Jena, P., Khanna, S.N., Rao, B.K. (eds) Physics and Chemistry of Finite Systems: From Clusters to Crystals. NATO ASI Series, vol 374. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-2645-0_2
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