8 Magnetic Self-Assembling of Spherical Co Nanoparticles …
189
Fig. 8.4 Electron diffraction patterns of 7.5 nm Co nanoparticles obtained by the micellar approach
not annealed (a) and annealed at 250 °C (b), 300 °C (c) and 350 °C (d). Reflections corresponding
to the fcc (*) and hcp (+) structures. (1–4) Representative HRTEM images of Co nanoparticles
annealed at various temperatures
189
Fig. 8.4 Electron diffraction patterns of 7.5 nm Co nanoparticles obtained by the micellar approach
not annealed (a) and annealed at 250 °C (b), 300 °C (c) and 350 °C (d). Reflections corresponding
to the fcc (*) and hcp (+) structures. (1–4) Representative HRTEM images of Co nanoparticles
annealed at various temperatures