Figure 4

“Statua dello Studente”: C1s, Cu2p3/2, O1s, Ca2p and Zn2p3/2 curve-fitted regions of the grey zone and Wt% derived from fitting results reported in Table 1.
“Statua dello Studente”: C1s, Cu2p3/2, O1s, Ca2p and Zn2p3/2 curve-fitted regions of the grey zone and Wt% derived from fitting results reported in Table 1.