抄録
The vapor phase reactions of FeCl2-NiCl2-O2 system and FeCl2-CoCl2-O2 system at 700-1000°C were found to produce the fine powders of Ni-and Co-ferrites, respectively. The ferrite particles were single-crystalline and finer than 1μ, having the mean sizes of 0.16-0.5μ (Ni-ferrite) and 0.15-0.25μ (Co-ferrite).
