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Title: High frequency magnetic behavior through the magnetoimpedance effect in CoFeB/ (Ta, Ag, Cu) multilayered ferromagnetic thin films
Authors: Marques, Manilo Soares
Mori, T.J.A.
Schelp, L.F.
Feitosa, Carlos Chesman de Araújo
Bohn, Felipe
Corrêa, Marcio Assolin
Keywords: Magnetic films and multilayers;Anisotropy;Magnetic measurements;Magnetoimpedance effect;Sputtering
Issue Date: 1-Jan-2012
Publisher: Elsevier
Citation: MARQUES, M.S.; MORI, T.J.A.; SCHELP, L.F.; BOHN, F; CORREA, M A; CHESMAN, C.. High frequency magnetic behavior through the magnetoimpedance effect in CoFeB/(Ta,Ag,Cu) multilayered ferromagnetic thin films. Thin Solid Films, v. 520, p. 2173-2177, 2012. Disponível em: Acesso em: 22 maio 2020.
Portuguese Abstract: We investigate the structural and magnetic properties and the magnetoimpedance effect of CoFeB/(Ta, Ag, Cu) multilayered thin films grown by magnetron sputtering. It is noticed that the peak of maximum magnetoim- pedance ratio values for a given frequency, as well as its position in frequency, is varied according to the used non-magnetic metal. For the CoFeB/Ta and CoFeB/Ag multilayered films, peaks of 30% and 27%, respectively, are observed at localized frequency ranges. For the CoFeB/Cu multilayer, slightly smaller values are verified, but for a wide frequency range. The magnetoimpedance results are analyzed in terms of the mechanisms responsible for the impedance variations at different frequency ranges and the magnetic and structural properties of the multilayer
ISSN: 0040-6090
Appears in Collections:CCET - DFTE - Artigos publicados em periódicos

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