fig1

Figure 1. Analysis of the structure and morphology of the PBA samples. (A and B) Rietveld refinements and schematic illustrations of the structures of the Co0.7Ni0.3HCF. (C) TGA curves and (D) FTIR spectra of Co0.7Ni0.3HCF and CoHCF. (E) SEM and Energy dispersive spectroscopy (EDS) images mapping of Co0.7Ni0.3HCF.