Fig. 4: NEXAFS spectra of as-produced NiOx, NiFe0.3Ox, and NiFe0.3MoOx.

a Ni L-edge, (b) Fe L-edge, and c O K-edge. The Fe L-edge spectrum of Fe2O3 was were also evaluated.

a Ni L-edge, (b) Fe L-edge, and c O K-edge. The Fe L-edge spectrum of Fe2O3 was were also evaluated.