Research Article

An Overview on Nanocrystalline ZnFe2O4, MnFe2O4, and CoFe2O4 Synthesized by a Thermal Treatment Method

Figure 4

TEM images of zinc ferrite nanoparticles calcined at (a) 723, (b), 773 (c), and 823 (d) 873 K.
604241.fig.004a
(a)
604241.fig.004b
(b)
604241.fig.004c
(c)
604241.fig.004d
(d)