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Keyword: materialsscience

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  • Small is different Computer simulation vital tools in exploring nanoworld

    02/18/2005 10:47:36 AM PST · by ckilmer · 7 replies · 471+ views
    Contact: David Terraso david.terraso@icpa.gatech.edu 404-385-2966 Georgia Institute of Technology Small is different Computer sims vital tools in exploring nanoworld -------------------------------------------------------------------------------- Years ago, when Uzi Landman and his colleagues set out to uncover some of the rules that govern why a non-reactive metal like gold acts as a catalyst when it is in nanoclusters only a few atoms in size, they didn't sit down in a lab with the precious metal. Instead, they ran computer simulations and discovered that gold is a very effective catalyst when it is in clusters of eight to two dozen atoms. They also found that electrical...