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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: Carbon N Y. 2018 Feb 24;132:623–631. doi: 10.1016/j.carbon.2018.02.082

Fig. 3.

Fig. 3

Local structure characterization of Mn in NGn and NG1a. (a) Experimental Mn K-edge XANES spectra of NG1, NG2, NG1a and the standard references (bulk Mn, MnO and MnO2). No Mn signal is detected in NG 3-6. (b) Fourier transformed magnitudes of the experimental Mn K-edge EXAFS spectra for NG1, NG2, NG1a and the standard references (bulk Mn and MnO2).