Self-assembled magnetic nanostructures of with favoured chemical ordering M. Albrecht, A. Maier, F. Treubel, M. Maret, R. Poinsot and G. Schatz Europhys. Lett., 56 6 (2001) 884-890 Published online: 01 December 2003 DOI: 10.1209/epl/i2001-00602-4