Fig. 6: Phase evolution of the (Sc0.2Lu0.2Yb0.2Y0.2Sm0.2)PO4 upon high temperature steam corrosion.

XRD patterns of the (Sc0.2Lu0.2Yb0.2Y0.2Sm0.2)PO4 surface before and after steam exposure for 60 h at 1400 °C.
XRD patterns of the (Sc0.2Lu0.2Yb0.2Y0.2Sm0.2)PO4 surface before and after steam exposure for 60 h at 1400 °C.