Magnetic Nanoparticles: A Subject for Both Fundamental Research and Applications

Figure 12

Longitudinal MOKE microscopy images of superferromagnetic [Co₈₀Fe₂₀(1.3 nm)/Al₂O₃(3 nm)]₁₀ taken at room temperature under supercoercive fields, 𝜇₀𝐻=0.6 mT, at 𝑡=2 s (a), 3 s (b), 4 s (c), 5 s (d), 6 s (e), and 9 s (f). Reproduced with permission from Bedanta et al. [20] © 2010, IOP Publishing.

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