8 Magnetic Self-Assembling of Spherical Co Nanoparticles …
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Fig. 8.1 TEM images of cobalt nanoparticles synthesized by the micellar approach, at various
sodium tetrahydroboride concentrations, R. a (R = 0.5), b (R = 1), c (R = 2), d (R = 4), e (R = 6)
and f (R = 8)