206
J. Richardi et al.
Fig. 8.15 SEM images of a supercrystalline film (thinner region) of 7.5 nm Co nanoparticles
obtained by the micellar approach, not annealed (a), annealed at 250 °C (c), at 300 °C (e) and at
350 °C (g). b, d, f and h Corresponding diffractograms