Fig. 3.
High-resolution XPS spectra of BiFeO3 and 20wt%Ag3PO4/BiFeO3 sample. a Ag 3d and b P 2p of 20wt%Ag3PO4/BiFeO3 sample. c Bi 4f, d Fe 2p, and e O1s of BiFeO3 and 20wt%Ag3PO4/BiFeO3 sample
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