Figure 6: Electronic structure changes of ordered Na2RuO3 upon charge.
From: Intermediate honeycomb ordering to trigger oxygen redox chemistry in layered battery electrode
(a) States of charge of the samples for X-ray absorption spectroscopy. (b) Ruthenium L3-edge and (c) oxygen K-edge X-ray absorption spectra for various O-NaxRuO3 compositions: (i) x=2.0 (black), (ii) x=1.5 (blue), (iii) x=1.0 (green) and (iv) x=0.62 (red). The asterisked peak corresponds to O 2p-Na 3p. The calculated oxygen K-edge spectra for ordered Na2RuO3 (black) and ilmenite-type NaRuO3 (green) are also shown.
