fig4
Figure 4. Ex-situ/in-situ irradiated XPS characterization. (A) Full spectra; (B and C) Cd 3d and S 2p, respectively; (D) Sr 3d; (E) Mg 1s; (F) Si 2p; (G) O 1s; (H) Eu 3d; (I) Dy 4d. SMSED: Sr2MgSi2O7:(Eu,Dy); XPS: X-ray photoelectron spectroscopy.
