Metastable Sm(Fe,Cu)5 ordered alloy films formed on Cu(111) underlayers Takato Yanagawa, Mitsuru Ohtake, Fumiyoshi Kirino and Masaaki Futamoto EPJ Web of Conferences, 40 (2013) 06007 Published online: 14 January 2013 DOI: 10.1051/epjconf/20134006007