Preparation and Characterization of Alumina Nanoparticles in Deionized Water Using Laser Ablation Technique

Figure 3

FE-SEM images of (a) aluminum powder, and Al₂O₃ nanoparticles at different laser energies of (b) 1 J, (c) 3 J, and (d) 5 J.

(a)

(b)

(c)

(d)