From antiferromagnetic to ferromagnetic coupling for V adatoms on Co(001) substrates T. A. Carrillo-Cázares, S. Meza-Aguilar and C. Demangeat Eur. Phys. J. B, 48 2 (2005) 249-254 Published online: 16 December 2005 DOI: 10.1140/epjb/e2005-00388-7