Structure of Copper Microclusters Isolated in Solid Argon

Abstract

Extended x-ray-absorption fine structure has been used in conjunction with the aggregation technique to investigate the structure of copper microclusters (7 to 15 \AA{} mean diameter). The crystallographic structure of the microclusters is consistent with an fcc lattice. A small contraction of the nearest-neighbor distance was measured as a function of cluster size.