Metal-to-glass ratio and the Magneto-Impedance of glass-covered CoFeBSi microwires at high frequencies

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dc.creatorValenzuela, R.
dc.creatorFessant, A.
dc.creatorGieraltowski, J.
dc.creatorTannous, C.
dc.date2004-11-22
dc.date.accessioned2026-07-07T03:02:15Z
dc.date.available2026-07-07T03:02:15Z
dc.descriptionHigh frequency [1-500 MHz] measurements of the Magneto-Impedance (MI) of glass-covered Co$_{69.4}$Fe$_{3.7}$B$_{15.9}$Si$_{11}$ microwires are carried out with various metal-to-wire diameter ratios. A twin-peak, anhysteretic behaviour is observed as a function of magnetic field. A maximum in $ΔZ/Z$ appears at different values of the frequency $f$, 125, 140 and 85 MHz with the corresponding diameter ratio $p$ = 0.80, 0.55 and 0.32. We describe the measurement technique and interpret our results with a thermodynamic model that leads to a clearer view of the effects of $p$ on the maximum value of MI and the anisotropy field.
dc.description5 pages and 6 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0411536
dc.identifierhttp://arxiv.org/abs/cond-mat/0411536
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/25326
dc.subjectMaterials Science
dc.titleMetal-to-glass ratio and the Magneto-Impedance of glass-covered CoFeBSi microwires at high frequencies
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