Biochemistry Research International / 2016 / Article / Fig 9

Review Article

Perspective of Fe3O4 Nanoparticles Role in Biomedical Applications

Figure 9

The details of superparamagnetic behavior as a function of blocking temperature and relaxation time. In state (a), temperature is below the blocking temperature and the anisotropy energy is dominated to the thermal energy; so, the moments are apparently fixed. In state (b), temperature is higher than blocking point and the thermal energy is larger than anisotropy one; thereby, the superparamagnetic structure is formed [95].
(a)
(b)

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