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

Figure 4

TEM micrographs of Fe₃O₄ nanoparticles for (a) dry milled (7.5 hrs) and wet milled (6 hrs) in hexane with (b) 5% OA, (c) 10% OA, and (d) 20% OA by mass of hexane.

(a)  

(b)

(c)

(d)