Investigation of Magnetic Field Response Features of Multilayer CoFe on Kapton Tape
Journal Title: Cumhuriyet Science journal - Year 2017, Vol 38, Issue 4
Abstract
Multilayer magneto-response cells (MMRC) fabricated on a non-magnetic layer among ferromagnetic [Fe65Co35]5/Cu/[Fe65Co35]5 on a flexible substrate (Kapton tape) have been studied by using electron microscopy, X-ray diffraction, magnetic and magnetoimpedance measurements. In a similar cell, these layers have shown previously to have an outstanding magnetoimpedance (MI) effect performance when the selected growth substrate is a rigid one. Here, this MMRC produces on the Kapton tape and evaluate during the using as a magnetic field sensor and the magnetoimpedance characteristics are analyzed in terms of preparation conditions. For future sensing applications, this material is a promising candidate for giant magnetoimpedance effect with the range of low price and relatively high sensitivity features. In order to observe MI effect, the frequency dependence of impedance measurements has performed as a function of the applied low magnetic field. The impedance value of the cells has characterized by using constant 20 mA AC current source at low frequencies ranges. Double (out of plane measurement) peak responses have obtained, showing MI ratios up to % 140 and % 55, their sensitivities are around 30 %/Oe and 17 %/Oe in the film on Si and Kapton tape, respectively.
Authors and Affiliations
Gizem DURAK YUZUAK, Ercüment YUZUAK
Keywords
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