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Title: Wide frequency range magnetoimpedance in tri-layered thin NiFe/Ag/NiFe films: experiment and numerical calculation
Authors: Corrêa, Marcio Assolin
Bohn, Felipe
Escobar, Vivian Montardo
Marques, M. S.
Viegas, A. D. C.
Schelp, L. F.
Sommer, R. L.
Keywords: Magnetoinductive effect;Magnetoimpedance effect
Issue Date: 8-Nov-2011
Publisher: AIP Publishing
Citation: CORRÊA, M. A.; BOHN, F.; ESCOBAR, V. M.; MARQUES, M. S.; VIEGAS, A. D. C.; SCHELP, L. F.; SOMMER, R. L.. Wide frequency range magnetoimpedance in tri-layered thin NiFe/Ag/NiFe films: experiment and numerical calculation. : Experiment and numerical calculation. Journal of Applied Physics, [s.l.], v. 110, n. 9, p. 093914, nov. 2011. Disponível em: Acesso em: 24 maio 2020.
Portuguese Abstract: Given that the magnetoinductive effect (MI), skin effect and ferromagnetic resonance influence magnetic permeability behavior at different frequency ranges, the description of the magnetoimpedance effect over a wide range of frequency becomes a difficult task. To that end, we perform an experimental investigation of the magnetoimpedance effect in a tri-layered thin film over a wide frequency range. We compare the experimental results for a tri-layered thin film with numerical calculus performed using an approach that considers a magnetic transverse susceptibility model for planar systems and an appropriate magnetoimpedance model for a tri-layered system together. The results show remarkably good agreement between numerical calculus and experimental measurements. Thus, we discuss the experimental results in terms of different mechanisms that govern the MI changes observed in distinct frequency ranges and provide experimental support to confirm the validity of the theoretical approach
ISSN: 0021-8979
Appears in Collections:CCET - DFTE - Artigos publicados em periódicos

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