Interplay between interation and morphology in NP assemblies

Magnetic behavior of dense nanoparticle assemblies: Interplay of interparticle interactions and particle system morphology.
G. Margaris, K. N. Trohidou, V. Iannotti, G. Ausanio, L. Lanotte, and D. Fiorani
Phys. Rev. B 86, 214425 (2012)

Assembly of NPs interacting with three different dipolar interaction strengths (assembly concentration p = 0.5). (a) Initial
magnetization vs H curves (VC) at temperature t = 0.005 and (b) ZFC/FC magnetization vs T curves with hcool = 0.05.