High frequency soft magnetic properties of nanocrystalline Fe-(Co)-Hf-O films with high electrical resistivity and their application to micro DC-DC converter
Nanostructured Materials(1997)
Abstract
We have developed nanocrystalline Fe-(Co)-Hf-O films which exhibit high electrical resistivity (ϱ) more than 4 μ Ωm as well as high magnetization (Is) more than 1T and also good soft magnetic properties even in as-deposited states. Furthermore, real part of complex permeability μ′ of these films exhibit more than 1000 up to 100 MHz by annealing in an uniaxial magnetic field.
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Key words
electrical resistance,magnetic field,boost converter,high frequency,magnetic properties
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