Magnetic properties of X0.5Mn0.5/Cu(001) overlayers, X = Fe, Mn, and Ir: ab-initio calculations B. A. Hamad and J. Kortus Eur. Phys. J. B, 76 3 (2010) 373-378 Published online: 03 August 2010 DOI: 10.1140/epjb/e2010-00237-8