Abstract

In this chapter, we discuss the interparticle interaction effects in assemblies of magnetic nanoparticles. For our study, we have developed a mesoscopic scale model that takes into account: (a) the morphology of the assemblies and (b) the interplay between the interparticle and intra-particle characteristics of the nanoparticles. The hysteresis loops, the virgin magnetization curves and the temperature-dependent (Field Cooled (FC)/zero-field cooled (ZFC)) magnetization curves have been calculated with our model. Results are presented for three case studies of different nanoparticles’ morphologies assemblies and they show that our mesoscopic model reproduces well the experimentally studied systems and reveals the origin of the observed magnetic behavior.

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