Copper Sulphides, Cu2S and CuS

Table 1. Cu 2p3/2 binding energies, Cu 2p3/2 - Cu LMM modified Auger parameters and S 2p3/2 binding energies for copper sulphides (Cu2S and CuS)[1].

CuS does not show shakeup peaks like CuO. CuS is weakly paramagnetic and behaves like a more metallic like species.

Further values for Cu2S (in vacuum cleaved chalcocite)[2].
Cu 2p3/2 = 932.5 eV
S 2p3/2 = 161.8 eV

[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:/ 2003.
[2] M.C. Biesinger, B.R. Hart, R. Polack, B.A. Kobe, R.St.C. Smart, Miner. Eng. 20 (2007) 152.