Abstract: Use of spin-resolved POLARIS experiments will reveal the influence of dipolar interactions on the spatial magnetization distribution in densely packed assemblies of Fe-oxide nanoparticles (r ~ 5 nm) and hence interrelate dipolar interactions on the nanoscopic and macroscopic level. This is of outmost importance when defining parameters to get a standardization of these nanometric compounds for biomedical applications, such as hyperthermia.

Experiment Parameters Environment temperature 5 - 300 K Experiment energy 6 [Å] Experiment moment 0.01 - 1 [1/nm] Experiment res energy 10 % Experiment res moment - Sample Parameters Formula Fe2O3/Fe304

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