The magnetic properties of Ni/SiO2
nanocomposite prepared by a simple sol–gel combined hydrogen reduction method are
reported. The real part of the permeability for Ni/SiO2
nanoparticles is almost independent of frequency up to at least 1 GHz, and the loss of is very small. Our method provides a promising route to fabricate fine soft-magnetic
materials with good magnetic properties, especially in the high-frequency range.
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