Abstract

Magnetic nanomaterials (MNMs) have a wide range of applications in the fields of pharmaceutical sciences, medicine, catalysis, and electronics. A specific set of physical and chemical properties controls the applicability of the developed MNMs to their intended use. These properties include the size, charge, zeta potential, morphology, and magnetic behavior of the designed MNMs. The aforementioned properties are addressed in this chapter, along with the MNMs classification. The MNMs synthesis method can modulate their characteristics including high saturation field, superparamagnetic behavior, high field irreversibility, and extra anisotropy contribution. Thus the second part of this chapter highlights a variety of synthetic routes to develop MNMs. Furthermore, the quality determinants of MNMs are their surface modifications, which mostly impart MNMs with novel chemical and physical stability as well as enhanced molecular affinity. Accordingly, the coating materials to stabilize MNMs as well as the various functionalization techniques are also covered.

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