Fig. 4: Electronic structures and atomic configurations of MSARuAC@NCB. | Nature Communications

Fig. 4: Electronic structures and atomic configurations of MSARuAC@NCB.

From: Cohesive energy discrepancy drives the fabrication of multimetallic atomically dispersed materials for hydrogen evolution reaction

Fig. 4: Electronic structures and atomic configurations of MSARuAC@NCB.

a HAADF-STEM images and atomic mapping of FeSARuAC@NCB, CoSARuAC@NCB and NiSARuAC@NCB. b High-resolution XPS spectra of Ru 3p for MSARuAC@NCB and RuAC@NCB. c The normalized Ru K-edge XANES spectra and e the k3-weighted Fourier transform EXAFS spectra of MSARuAC@NCB and the references. Insets: models for spectra fitting. d The normalized Fe/Co/Ni K-edge XANES spectra and f the k3-weighted Fourier transform EXAFS spectra in R space of MSARuAC@NCB and the references.

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