Figure 2: (a) The XRD profile for the mixture of CaO, P2O5, and CaF2 powders after mechanical activation for 5 h (b) XRD pattern of the standard sample (JCPDS#15–0876), (c) FT-IR spectrum, (d) morphology and particle size distribution, (e) schematic picture of the morphological features, and (f) EDX spectra of the nanocrystalline FAp produced after 5 h of milling.