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Fig. 1 | Nanoscale Research Letters

Fig. 1

From: Sn2+ Doping: A Strategy for Tuning of Fe3O4 Nanoparticles Magnetization Dipping Temperature/Amplitude, Irreversibility, and Curie Point

Fig. 1

Change of magnetization (M) with temperature of pristine and SnxFe3-2/3xO4 nanoparticles of Sn2+ (x) amount a 0.000 (pristine Fe3O4), b 0.045, c 0.090, and d 0.150 respectively, for different heating–cooling cycles [for a and b, black indicates 1st; red, 2nd; blue, 3rd and for c and d, only 2-cycles are indicated] (magnetic field H = 200 Oe) (solid line, heating; dotted line, cooling)

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