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Mechanism of relaxation dispersions of permeability spectra in Co-based amorphous wire

The permeability spectra has been measured in as-quenched (Co/sub 0.94/Fe/sub 0.06/)/sub 72.5/Si/sub 12.5/B/sub 15/ amorphous wire as a function of dc-biased current, I/sub b/. Two relaxations of permeability spectra are revealed in 4 and 52 kHz regions, indicating that different magnetization mecha...

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Published in:IEEE transactions on magnetics 2000-09, Vol.36 (5), p.3065-3067
Main Authors: Seon-Ho Song, Seong-Cho Yu, Cheol Gi Kim, Vazquez, M.
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cited_by cdi_FETCH-LOGICAL-c395t-d1bc6c96f8b74e436d967edc0819673a3b7901ef866a2ce4931c1a01bf633f6b3
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creator Seon-Ho Song
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description The permeability spectra has been measured in as-quenched (Co/sub 0.94/Fe/sub 0.06/)/sub 72.5/Si/sub 12.5/B/sub 15/ amorphous wire as a function of dc-biased current, I/sub b/. Two relaxations of permeability spectra are revealed in 4 and 52 kHz regions, indicating that different magnetization mechanisms are involved in each frequency region. As the dc-biased current I/sub b/ increases, the value of spectra curve at 52 kHz monotonously decreases due to the decrease of core domains by I/sub b/. However the value of the spectra curve at 4 kHz increases with I/sub b/ up to 4.25 mA and then decreases with further increasing I/sub b/.
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Two relaxations of permeability spectra are revealed in 4 and 52 kHz regions, indicating that different magnetization mechanisms are involved in each frequency region. As the dc-biased current I/sub b/ increases, the value of spectra curve at 52 kHz monotonously decreases due to the decrease of core domains by I/sub b/. However the value of the spectra curve at 4 kHz increases with I/sub b/ up to 4.25 mA and then decreases with further increasing I/sub b/.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/20.908681</doi><tpages>3</tpages></addata></record>
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subjects Amorphous and nanocrystalline magnetic materials
quasicrystals
Amorphous and quasicrystalline magnetic materials
Amorphous materials
Cobalt
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Current measurement
Dispersions
Exact sciences and technology
Frequency measurement
Impedance measurement
Iron
Magnetic cores
Magnetic properties and materials
Magnetism
Magnetization
Permeability
Permeability measurement
Physics
Solenoids
Spectra
Studies of specific magnetic materials
Wire
title Mechanism of relaxation dispersions of permeability spectra in Co-based amorphous wire
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