Figure 3.

The XRD pattern of CoFe2O4 (CF) (a), apatite (Ap)-coated CFCA particles (CFCA-Ap) (b), and FTIR spectra of CFCA-Ap particles (c). Filled circle, hydroxyapatite phase and F, ferrite phase.

Tang et al. Nanoscale Res Lett 2011 6:19   doi:10.1007/s11671-010-9761-4