259129.fig.005a
(a)
259129.fig.005b
(b)
259129.fig.005c
(c)
259129.fig.005d
(d)
Figure 5: SEM micrograph: (a) Experiment number 3, at μs, μs, and  A; (b) experiment number 17, at μs, μs, and  A; (c) experiment number 13, at μs, μs, and  A; and (d) experiment number 12, at μs, μs, and  A.