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Title: Exploring the magnetization dynamics of NiFe/Pt multilayers in flexible substrates
Authors: Corrêa, Marcio Assolin
Dutra, Roberta
Marcondes, Tatiana Lisboa
Mori, T. J. A.
Bohn, Felipe
Sommer, R. L.
Keywords: Magnetic systems;Magnetization dynamics;Magnetoimpedance effect;Ferromagnetic films
Issue Date: 29-Sep-2016
Publisher: Elsevier
Citation: CORRÊA, M.A.; DUTRA, R.; MARCONDES, T.L.; MORI, T.J.A.; BOHN, F.; SOMMER, R.l.. Exploring the magnetization dynamics of NiFe/Pt multilayers in flexible substrates. Materials Science And Engineering: B, [s.l.], v. 211, p. 115-120, set. 2016. Elsevier. Disponível em: Acesso em: 10 jun. 2020.
Portuguese Abstract: We investigate the structural and magnetic properties, and the magnetization dynamics in Ni81Fe19/Pt multilayer systems grown onto rigid and flexible substrates. The structural characterization shows evidence of a superlattice behavior, while the quasi-static magnetization characterization reveal a weak magnetic anisotropy induced in the multilayers. The magnetization dynamics is investigated through the magnetoimpedance effect. We employ a theoretical approach to describe the experimental magnetoimpedance effect and verify the influence of the effective damping parameter on the magnetization dynamics. Experimental data and theoretical results are in agreement and suggest that the multilayers present high effective damping parameter. Moreover, our experiments raise an interesting issue on the possibility of achieving considerable MI% values, even for systems with weak magnetic anisotropy and high damping parameter grown onto flexible substrates
ISSN: 1678-765X
Appears in Collections:CCET - DFTE - Artigos publicados em periódicos

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