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

Figure 9

(a) Room temperature magnetization data for γ-Fe₂O₃ (red) and Fe₃O₄ (blue) nanoparticles milled with 20% oleic acid; (b) and (c) the same as (a) on progressively expanded applied field scales.

(a)

(b)

(c)