We study the behavior of hysteresis loops in Finemet Fe73.5Cu1Nb3Si18.5B4 thin films by using a fluxometric setup based on a couple of well-compensated pickup coils. The presence of scaling laws of the hysteresis area is investigated as a function of the amplitude and frequency of the applied field, considering sample thickness from about 20 nm to 5 mm: We do not observed any scaling predicted by theoretical models, while dynamic loops show a logarithmic dependence on the frequency
Investigation of scaling properties of hysteresis in Finemet thin films / L. Santi, L.S. Dorneles, R.L. Sommer, F. Colaiori, S. Zapperi, A. Magni, G. Durin. - In: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. - ISSN 0304-8853. - 272:Suppl. 1(2004), pp. e913-e914.
Investigation of scaling properties of hysteresis in Finemet thin films
S. Zapperi;
2004
Abstract
We study the behavior of hysteresis loops in Finemet Fe73.5Cu1Nb3Si18.5B4 thin films by using a fluxometric setup based on a couple of well-compensated pickup coils. The presence of scaling laws of the hysteresis area is investigated as a function of the amplitude and frequency of the applied field, considering sample thickness from about 20 nm to 5 mm: We do not observed any scaling predicted by theoretical models, while dynamic loops show a logarithmic dependence on the frequency
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