Figure 2.
SEM images of products prepared in different Co ion concentrations under a 0.40 T
magnetic field: a 0.01 mol/l; b 0.1 mol/l; c 0.5 mol/l.
Zhang et al. Nanoscale Res Lett 2011 6:58 doi:10.1007/s11671-010-9807-7 |
