Very thin films of Mn, Ag, and Ag–Mn epitaxially deposited on Ru

Mn, Ag, and Ag–Mn alloys have been deposited on 001 Ru in an MBE system for the study of the epitaxy of the first few layers when the lattice constants have large mismatches. A new phase of Mn metal is reported. XPS studies of the splitting of the 3s peak of Mn is essentially the same in various metallic environments. If this splitting reflects the 3d–3s exchange interactions, it appears that Mn metal has 5 μβ per atom on the time scale of XPS measurements.