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Title: Tailoring the magnetoimpedance effect of NiFe/Ag multilayer
Authors: Corrêa, Marcio Assolin
Bohn, Felipe
Feitosa, Carlos Chesman de Araújo
Silva, R B da
Viegas, A D C
Sommer, R L
Keywords: Não tem;Não tem
Issue Date: 8-Jul-2010
Publisher: IOP SCIENCE
Citation: CORREA M. A. ; BOHN F. ; CHESMAN C.; SILVA R. B. da ; VIEGAS A. D. C. ; SOMMER R. L. Tailoring the magnetoimpedance fect of NiFe/Ag multilayer. Journal of Physics D Applied Physics , v. 43, p. 295004, 2010. Disponível em: Acesso em: 18 mai. 2020. DOI: 10.1088/0022-3727/43/29/295004.
Portuguese Abstract: The magnetoimpedance (MI) effect was investigated in NiFe/Ag multilayered (ML) and ML/SiO2/Ag/SiO2/ML structured multilayered (SD) ferromagnetic films grown by magnetron sputtering. The MI measurements were performed with an impedance analyzer over a wide frequency range, from 10 MHz to 1.8 GHz. Sample geometries are mainly responsible for the different MI behaviours and by considering the entire frequency range, distinct mechanisms responsible for MI changes were associated. For the ML sample, a maximum value of 80%, associated with the appearance of ferromagnetic resonance (FMR), was reached at around 1 GHz. For the SD sample, the striking feature is the existence of two distinct frequency ranges with high MI% values of 80% at around 100 MHz, related to the skin and magnetoinductive effects, and of 120% at around 1 GHz, associated with the strong skin and FMR effect
Appears in Collections:CCET - DFTE - Artigos publicados em periódicos

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