Figures & data
Figure 1. Core-shell structure of starch-coated magnetite nanoparticle.
Figure 2. X-ray diffraction patterns of synthesised nanoparticles.
Figure 3. Raman spectra of Fe3O4 nanoparticles.
Figure 4. Fourier transform infrared spectra: (a) pure starch, (b) 5 wt% of starch and (c) 20 wt% of starch.
Figure 5. Transmission electron microscopy images of (a) uncoated and (b) starch-coated magnetite.
Figure 6. Magnetisation vs. temperature measured at 100 Oe.
Figure 7. Hysteresis loops of uncoated magnetite and starch-coated magnetite after precipitation.
Figure 8. Hysteresis loops of uncoated magnetite (a) and starch-coated magnetite (b) after precipitation and after 6 months.
