Preparation of Spherical Zn-Substituted Tricalcium Phosphate Powder by Ultrasonic Spray-Pyrolysis Technique and Its Characterization

Figure 3

The SEM micrographs of the resulting Zn-TCP powders: (a) Zn-TCP(0), (b) Zn-TCP(5), (c) Zn-TCP(10), and (d) Zn-TCP(15).

(a)

(b)

(c)

(d)