Preparation and characterization of cobalt-based nanostructured materials G. Carotenuto, L. Pasquini, E. Milella, M. Pentimalli, R. Lamanna and L. Nicolais Eur. Phys. J. B, 31 4 (2003) 545-551 Published online: 06 March 2003 DOI: 10.1140/epjb/e2003-00064-0