On the frequency dependence of the magnetic permeability of FeHfO thin films

P.J.H. Bloemen; B. Rulkens

doi:10.1063/1.369008

On the frequency dependence of the magnetic permeability of FeHfO thin films

P.J.H. Bloemen, B. Rulkens

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Abstract

The frequency dependence of the magnetic permeability as well as of the electrical impedance have been investigated for soft-magnetic granular FeHfO thin films. The impedance measurements indicate that capacitive effects resulting from the inhomogeneous structure of the layers are of no importance for the roll off of the permeability of the present films. The frequency behavior at various FeHfO thicknesses shows that eddy current effects start to play a role above thicknesses of 10 µm. Below this thickness ferromagnetic resonance dominates the roll off.

Original language	English
Pages (from-to)	6778-6781
Number of pages	4
Journal	Journal of Applied Physics
Volume	84
Issue number	12
DOIs	https://doi.org/10.1063/1.369008
Publication status	Published - 1998

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title = "On the frequency dependence of the magnetic permeability of FeHfO thin films",

abstract = "The frequency dependence of the magnetic permeability as well as of the electrical impedance have been investigated for soft-magnetic granular FeHfO thin films. The impedance measurements indicate that capacitive effects resulting from the inhomogeneous structure of the layers are of no importance for the roll off of the permeability of the present films. The frequency behavior at various FeHfO thicknesses shows that eddy current effects start to play a role above thicknesses of 10 µm. Below this thickness ferromagnetic resonance dominates the roll off.",

author = "P.J.H. Bloemen and B. Rulkens",

year = "1998",

doi = "10.1063/1.369008",

language = "English",

volume = "84",

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journal = "Journal of Applied Physics",

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T1 - On the frequency dependence of the magnetic permeability of FeHfO thin films

AU - Bloemen, P.J.H.

AU - Rulkens, B.

PY - 1998

Y1 - 1998

N2 - The frequency dependence of the magnetic permeability as well as of the electrical impedance have been investigated for soft-magnetic granular FeHfO thin films. The impedance measurements indicate that capacitive effects resulting from the inhomogeneous structure of the layers are of no importance for the roll off of the permeability of the present films. The frequency behavior at various FeHfO thicknesses shows that eddy current effects start to play a role above thicknesses of 10 µm. Below this thickness ferromagnetic resonance dominates the roll off.

AB - The frequency dependence of the magnetic permeability as well as of the electrical impedance have been investigated for soft-magnetic granular FeHfO thin films. The impedance measurements indicate that capacitive effects resulting from the inhomogeneous structure of the layers are of no importance for the roll off of the permeability of the present films. The frequency behavior at various FeHfO thicknesses shows that eddy current effects start to play a role above thicknesses of 10 µm. Below this thickness ferromagnetic resonance dominates the roll off.

U2 - 10.1063/1.369008

DO - 10.1063/1.369008

M3 - Article

SN - 0021-8979

VL - 84

SP - 6778

EP - 6781

JO - Journal of Applied Physics

JF - Journal of Applied Physics

IS - 12

ER -

On the frequency dependence of the magnetic permeability of FeHfO thin films

Abstract

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