Powder Precursors
€Sm2Co17 (= Sm(Co0.67Fe0.234Cu0.07Zr0.024)7.5)*
or SmCo5 for the hard phase [d ~ 1 mm]
€
€High
crystallinity acicular-Fe nanoparticles for
soft phase [length ~ 200 nm, d ~ 20 nm]
€
€SmCo
and Fe powder precursors were mixed together
by gentle milling
[*Courtesy of C. Chen, Electron Energy Corporation]
[Courtesy of J. Nakano, Toda Corporation]