Figure 1

XRD pattern of pure NiO nanofibers, composites S-1, S-2 and S-3 based on α-Fe2O3/NiO nanosheet-covered fibers with different Fe concentrations.

XRD pattern of pure NiO nanofibers, composites S-1, S-2 and S-3 based on α-Fe2O3/NiO nanosheet-covered fibers with different Fe concentrations.