Research Article

Width of Nucleation Region of Si Nanocrystal Grains Prepared by Pulsed Laser Ablation with Different Laser Fluence

Figure 5

Si ion densities versus different laser fluence. Laser fluence is 2 J/cm2, 2.5 J/cm2, 3.0 J/cm2, 3.5 J/cm2, 4.5, and 6.0 J/cm2.