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Figure 2. (A) Stacked Fe and Mn L3-spectra. (B) The sXAS total electron yield (TEY) spectra of the O K-edge[35]. Copyright © 2016 Elsevier Ltd. (C) The in situ electrochemical impedance spectroscopy (EIS) results were obtained using the galvanostatic intermittent titration technique (GITT) on carbon-coated LMFP meso-crystals during delithiation/lithiation processes[8]. Copyright © 2017 Elsevier Ltd.