Fig. 1: HAADF-STEM characterization of Ru/MAFO samples.

a, b HAADF-STEM images of Ru/MAFO-500 sample. c Energy dispersive X-ray spectroscopy elemental mapping results of Ru/MAFO-500 sample. d–f AC-HAADF-STEM images of Ru1/MAFO-900 sample.
a, b HAADF-STEM images of Ru/MAFO-500 sample. c Energy dispersive X-ray spectroscopy elemental mapping results of Ru/MAFO-500 sample. d–f AC-HAADF-STEM images of Ru1/MAFO-900 sample.