Figure 3

(a,b) TEM images, (c) HAADF image, (d) EDS analysis, elemental map of (e) calcium, (f) phosphorus, (g) carbon, and (h) oxygen for the synthesized powders with the presence of injected gas (P10).
(a,b) TEM images, (c) HAADF image, (d) EDS analysis, elemental map of (e) calcium, (f) phosphorus, (g) carbon, and (h) oxygen for the synthesized powders with the presence of injected gas (P10).