Ruthenium

Ru3d5/2 binding energy values[1].

Notes [2]:
The Ru 3d3/2 peak will overlap with C 1s.
Ru 3d5/2-3d3/2 splitting: 4.17 eV
Ru 3p3/2: 462 eVRu 3p1/2: 484 eV
Ru 3s: 586 eV
Ru 4p: 43 eV
Ru 4s: 75 eV

References:
[1] C.D. Wagner, A.V. Naumkin, A. Kraut-Vass, J.W. Allison, C.J. Powell, J.R.Jr. Rumble, NIST Standard Reference Database 20, Version 3.4 (web version) (http:/srdata.nist.gov/xps/) 2003.
[2] J.F. Moulder, W.F. Stickle, P.E. Sobol, K.D. Bomben, Handbook of X-ray Photoelectron Spectroscopy, Perkin-Elmer Corp, Eden Prairie, MN, 1992.