Dynamic hysteresis in Finemet thin films

Dynamic hysteresis in Finemet thin films

We performed a series of dynamic hysteresis measurements on Finemet films with composition Fe/sub 73.5/Cu/sub 1/Nb/sub 3/Si/sub 13.5/B/sub 9/, using both the longitudinal magneto-optical Kerr effect (MOKE) and the inductive fluxometric method. The MOKE dynamic hysteresis loops show a more marked var...

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Veröffentlicht in:IEEE transactions on magnetics 2003-09, Vol.39 (5), p.2666-2668
Hauptverfasser: Santi, L., Sommer, R.L., Magni, A., Durin, G., Colaiori, F., Zapperi, S.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Domain effects, magnetization curves, and hysteresis
Domain walls and domain structure
Exact sciences and technology
Frequency measurement
Hysteresis
Iron
Kerr effect
Magnetic analysis
Magnetic properties and materials
Magnetism
Magnetooptic effects
Metals. Metallurgy
Niobium
Performance evaluation
Physics
Semiconductor films
Transistors
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Beschreibung
Zusammenfassung:We performed a series of dynamic hysteresis measurements on Finemet films with composition Fe/sub 73.5/Cu/sub 1/Nb/sub 3/Si/sub 13.5/B/sub 9/, using both the longitudinal magneto-optical Kerr effect (MOKE) and the inductive fluxometric method. The MOKE dynamic hysteresis loops show a more marked variability with the frequency than the inductive ones, while both measurements show a similar dependence on the square root of frequency. We analyze these results in the frame of a simple domain wall depinning model, which accounts for the general behavior of the data.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2003.815550