Fig. 8

(a) XPS spectra of BCF1 sample (b) Ba3d peak analysis for BCF1 (c) Fe2p peak analysis for BCF1 (d) O1s peak analysis for BCF1 (e) C1s peak analysis for BCF1.
(a) XPS spectra of BCF1 sample (b) Ba3d peak analysis for BCF1 (c) Fe2p peak analysis for BCF1 (d) O1s peak analysis for BCF1 (e) C1s peak analysis for BCF1.