Fig. 8From: Sn2+ Doping: A Strategy for Tuning of Fe3O4 Nanoparticles Magnetization Dipping Temperature/Amplitude, Irreversibility, and Curie PointZFC-FC (M-T) curves at low temperatures (H = 200 Oe) for the pristine Fe3O4 a before heating b Pristine Fe3O4 with cement used as glue after heating up to 600 K and c 900 KBack to article page