The microstructure of magnet consisting of 216 irregular shaped grains. The left is the distribution of grains and the right is that of grains. The volume fraction of is .
Typical demagnetization curves of the samples with , , , , and and .
, , and as functions of for the magnets with .
The dependence of on for the magnets with and .
The typical demagnetization curves for different of the magnets with and .
, , and as functions of for the magnets with . The closed symbols refer to the experimental values obtained for self-assembly nanocomposite (see Ref. 11).
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