Ultrasonic Studies of Emulsion Stability in the Presence of Magnetic Nanoparticles

Figure 1

(a) Magnetization curves M(H) for oil suspension of magnetic nanoparticles, obtained from SQUID and magnetite particle size distributions (inset). (b) Transmission electron microscope images of superparamagnetic nanoparticles prepared by coprecipitation method.

(a)

(b)