Self organisation of Pt and Au clusters deposited on graphite: the role of reactivity L. Bardotti, F. Tournus, P. Mélinon, M. Pellarin and M. Broyer Eur. Phys. J. D, 63 2 (2011) 221-224 Published online: 05 July 2011 DOI: 10.1140/epjd/e2011-10579-4