Characterization, size distribution, XRD patterns, and magnetic attraction image of Si-MNPs. (A) Characterization of Si-MNPs. TEM image shows the core-shell structured, (B) size distribution of Si-MNPs with 40 nm of average particle size (C) XRD patterns of MNPs and Si-MNPs, and (D) pictures showing the magnetic attraction for Si-MNPs.
Lee et al. Nanoscale Research Letters 2012 7:279 doi:10.1186/1556-276X-7-279