Runhua Qin
材料科学技术（英文）
A novel salt-assisted low temperature solid state method using CoCl2?6H2O, FeCl3?6H2O and NaOH as pre-
cursor and using NaCl as a dispersant to synthesize high surface area CoFe2O4 nanoparticles, has been
investigated. The effects of the molar ratio of added salt and calcination temperature on the characteristics of
the products were investigated by X-ray diffraction (XRD), transmission electron microscopy (TEM), vibrating
sample magnetometer (VSM) and Brunauer, Emmett and Teller (BET) surface area analysis. Results showed
that the introduction of leachable inert inorganic salt as a hard agglomeration inhibitor in the mixture precursor
led to the formation of high dispersive CoFe2O4 nanoparticles; and the increase in specific surface area from
28.28 to 73.97 m2/g, and the saturation magnetization is 84.6 emu/g.
关键词:
Low temperature solid state reaction
,
盐助
,
钴铁氧体
,
纳米粒子
