Research Article
Magnetic Properties of Sm-Fe-N/Co-B Composite Magnets Prepared by Chemical Reduction
Figure 3
Hysteresis loops of Sm-Fe-N/Co-B composite powders prepared by chemical reduction using an aqueous solution of (a) 0.1 mol/l and (b) 0.025 mol/l cobalt sulfate heptahydrate.
(a) |
(b) |