Magnetization and Specific Absorption Rate Studies of Ball-Milled Iron Oxide Nanoparticles for Biomedicine

Figure 11

Change in sample temperature versus elapsed time of AC field exposure for: (a) γ-Fe₂O₃ and (b) Fe₃O₄ nanoparticle preparations milled dry or in hexane with various concentrations of oleic acid as indicated (note the difference in the vertical scales between (a) and (b)).

(a)

(b)