839873.fig.006a
(a)
839873.fig.006b
(b)
Figure 6: (a) Evolution of clusters in time and (b) distribution of the concentration of the particles formed by the condensation of Al vapor, described in terms of the particle size , calculated for helium buffer (carrier) gas pressures = 600 torr (1), 400 torr (2), and 300 torr (3).