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Type: Artigo de periódico
Title: Field and frequency dependence of the magneto-impedance in Co-rich amorphous ribbon
Author: Tejedor, M
Hernando, B
Sanchez, ML
Vazquez, M
Knobel, M
Abstract: In this paper we report measurements of the recently discovered magneto-impedance effect in as-quenched FeCoSiB ribbon possessing a low negative magnetostriction. The magneto-impedance shows a strong dependence on the drive current frequency and amplitude, and on the bias magnetic field. We have also studied the influence of the ribbon length on this effect. We obtained a sensitivity to the applied bias field of 13%/Oe at 2 MHz. This phenomenon points out the enormous potential of this material for technological applications such as sensitive magnetic heads and magnetic field sensors. The results can be explained by changes in the transverse magnetization due to the drive current and the field dependence of the skin depth through the transverse permeability.
Country: Holanda
Editor: Elsevier Science Bv
Citation: Journal Of Magnetism And Magnetic Materials. Elsevier Science Bv, v. 152, n. 41671, n. 191, n. 195, 1996.
Rights: fechado
Identifier DOI: 10.1016/0304-8853(95)00431-9
Date Issue: 1996
Appears in Collections:Unicamp - Artigos e Outros Documentos

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