Figure 2
From: Tuning of the band gap and dielectric loss factor by Mn doping of Zn1-xMnxO nanoparticles

(a) SEM image for PURE ZnO (b) SEM image for 5% doping (c) SEM image for 10% (d) SEM image for 15% (e)SEM image for 20% Mn-based ZnO nanoparticles.