Atomic structure of clusters through chemical reactions

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Techniques for the probing of isolated metal cluster structure 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, ... continued below

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Pages: (20 p)

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Riley, S.J. January 1, 1991.

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Description

Techniques for the probing of isolated metal cluster structure 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. 5 figs.

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Pages: (20 p)

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OSTI; NTIS; GPO Dep.

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  • International symposium on the physics and chemistry of finite systems: from clusters to crystals, Richmond, VA (United States), 8-12 Oct 1991

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  • Other: DE92000260
  • Report No.: ANL/CP-73227
  • Report No.: CONF-911033--1
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 5208112
  • Archival Resource Key: ark:/67531/metadc1058989

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  • January 1, 1991

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  • Jan. 22, 2018, 7:23 a.m.

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  • Jan. 30, 2018, 1:06 p.m.

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Riley, S.J. Atomic structure of clusters through chemical reactions, article, January 1, 1991; Illinois. (digital.library.unt.edu/ark:/67531/metadc1058989/: accessed July 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.