Anisotropy distributions in nanoparticles for magnetic hyperthermia applications

A model of magnetic hyperthermia for which hysteresis heating is the dominant mechanism is presented in the context of medical applications. A ferrofluid is characterised physically and magnetically. TEM images are used to calculate a shape anisotropy distribution and the effect of distributed anisotropy on hysteresis heating is demonstrated. Temperature decay of remanence measurements are then presented for an indirect calculation of the median blocking temperature and the effective anisotropy.