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Reactivity of small transition metal clusters

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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

A new experiment for measuring the reactivity of neutral metal clusters is presented. A low pressure reaction cell is used to measure the sticking ofO 2 andD 2 gas on small transition metal clusters ofCu, Fe, Co andNi. The experiment yields absolute values for the sticking, at a controlled number of cluster/gas collisions, facilitating comparison with theoretical calculations and other experiments. The most striking result of these preliminary measurements is the difference between oxygen sticking onCo N and onCu N , with the sticking onCu N showing a clear correlation to the electronic shell model, while the sticking onCo N only exhibits a sharp increase with size, reaching sticking probability=1.0 forN>25.

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Authors and Affiliations

  1. Department of Physics, Chalmers University of Technology and University of Göteborg, S-412 96, Göteborg, Sweden

    J. L. Persson, M. Andersson & A. Rosén

Authors
  1. J. L. Persson
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  2. M. Andersson
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  3. A. Rosén
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Persson, J.L., Andersson, M. & Rosén, A. Reactivity of small transition metal clusters. Z Phys D - Atoms, Molecules and Clusters 26, 334–336 (1993). https://doi.org/10.1007/BF01429186

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