Figure 7.

Photographs of CoFe2O4/SiO2 (a), Co0.5Zn0.5Fe2O4/SiO2 (b), and ZnFe2O4/SiO2 (c) nanoparticles fired at 400°C.

Girgis et al. Nanoscale Research Letters 2011 6:460   doi:10.1186/1556-276X-6-460
Download authors' original image