Irreversible structure transitions in Gd monolayers on Mo(112) A. G. Fedorus, A. A. Mitryaev and A. G. Naumovets Eur. Phys. J. B, 71 1 (2009) 47-54 Published online: 13 August 2009 DOI: 10.1140/epjb/e2009-00285-1