Structural Investigation of Small Cu Clusters Obtained by Ion-Implantation in Amorphous Silica F. D'Acapito, E. Cattaruzza, F. Gonella, S. Mobilio, J. R. Regnard et F. SpizzoJ. Phys. IV France, 7 C2 (1997) C2-1107-C2-1109DOI: https://doi.org/10.1051/jp4:19972149