Investigation of high frequency permeability of thin amorphous wires

Investigation of high frequency permeability of thin amorphous wires

Permeability measurements are reported on Co- and Fe-based amorphous thin wires up to GHz frequencies. A simple model is proposed to account for the gyromagnetic permeability, based on former observation of the domain configuration of Co-based wires. When skin effect is taken into account, this mode...

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Veröffentlicht in:IEEE transactions on magnetics 1994-11, Vol.30 (6), p.4542-4544
Hauptverfasser: Acher, O., Jacquart, P.-M., Boscher, C.
Format: Artikel
Sprache:eng
Schlagworte:
Amorphous materials
Coils
Frequency measurement
Magnetic field measurement
Magnetic materials
Magnetostriction
Performance evaluation
Permeability measurement
Saturation magnetization
Wires
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Zusammenfassung:Permeability measurements are reported on Co- and Fe-based amorphous thin wires up to GHz frequencies. A simple model is proposed to account for the gyromagnetic permeability, based on former observation of the domain configuration of Co-based wires. When skin effect is taken into account, this model leads to rather good agreement with measurements. The difference in high frequency behaviour between Co- and Fe-based wires is discussed.< >
ISSN:0018-9464
1941-0069
DOI:10.1109/20.334142