Then he discusses the results from such perspectives as cation distribution in the unit cell of synthesized samples, oxygen positional parameter of synthesized samples, and the saturation magnetization
of the synthesized samples from the hysteresis curve.
It is a familiar hard magnetic material possessing high saturation magnetization
and coercivity than zinc and nickel ferrites.
Wang and Benicewicz formed coreshell magnetic nanoparticles with ext remely high saturation magnetization
By estimating the saturation magnetization
through extrapolation (30.
4 and the relationship between magnetization intensity and magnetic field intensity explained by electromagnetism, the previously mentioned relationship among yield stress, magnetic field intensity H and saturation magnetization
s] is saturation magnetization
, a is shape parameter of the anhysteretic magnetization, a is internal coupling field coefficient among different magnetic domains, and H is magnetic strength.
In recent years, magnetic particles have been paid considerable attention due to their superparamagnetic properties and potential applications, for example, magnetic bioseparation [1, 2], drug delivery [3, 4], magnetorheological fluid , magnetic resonance imaging contrast enhancement [6, 7], targeted drug , gene separation from biochemical products and cells , microwave absorption , high saturation magnetization
, high magnetic susceptibility, biocompatibility, and low toxicity.
The saturation magnetization
values of Fe3O4 and Fe3O4@SiO2-MIPs were 67.
Table 1: Saturation magnetization
of the various [Fe.
(Ms) value is one of the most dominant parameters that affect [T.
With a saturation magnetization
of ~20 emu/g, dMNP-DTPA conjugates can be easily manipulated and separated from solution in less than 1 min by applying an external magnetic field with a field gradient of above 300 G/mm.
Based on this figure saturation magnetization
(Ms) in applied field 8514 Oe is about 120 emu/g, which is significantly higher than that of other FeNi alloys in applied field 5000 and 10000 Oe .