Nanocrystalline and nanocomposite permanent magnets by melt spinning technique |
(color online) (a) Demagnetization curves of the composite samples milled for different time; energy-filtered transmission electron microscopy (EFTEM) images of Fe maps for the samples milled for (b) 30 min, (c) 1 h, and (d) 4 h. High Fe-content regions have bright contrast.[ |