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https://repositorio.ufrn.br/handle/123456789/29408| Title: | Magnetization dynamics through magnetoimpedance effect in isotropic Co2FeAl/Au/Co2FeAl Full-Heusler alloy trilayer films |
| Authors: | Corrêa, Marcio Assolin Bezerra, Claudionor Gomes Escobar, Vivian Montardo Trigueiro-Neto, Osvaldo Bohn, Felipe Sossmeier, Kelly Daiane Feitosa, Carlos Chesman de Araújo Pearson, J. Hoffmann, A. |
| Keywords: | Magnetoimpedance effect;Magnetization dynamics |
| Issue Date: | 30-Aug-2013 |
| Publisher: | IOP Publishing |
| Citation: | CORRÊA, M.A.; ESCOBAR, V.M.; TRIGUEIRO-NETO, O.; BOHN, F.; SOSSMEIER, K.D.; BEZERRA, C. G.; FEITOSA, C. C. ; PEARSON, J.; HOFFMANN, A.. Magnetization dynamics through magnetoimpedance effect in isotropic Co2FeAl/Au/Co2FeAl Full-Heusler alloy trilayer films. Applied Physics Express (Online), v. 6, p. 093001, 2013. Disponível em: http://iopscience.iop.org/article/10.7567/APEX.6.093001/meta. Acesso em: 02 jul. 2020. https://doi.org/10.7567/APEX.6.093001 |
| Portuguese Abstract: | We investigate the magnetization dynamics in low damping parameter α systems by measuring the magnetoimpedance effect over a wide range of frequencies, from 0.1 to 3.0 GHz, in Co2FeAl/Au/Co2FeAl full-Heusler alloy trilayer films grown by magnetron sputtering on glass and MgO substrates. We show that the film produced on the glass substrate presents high magnetoimpedance performance, while that grown on the MgO substrate has low magnetoimpedance performance. Since both films are polycrystalline and have isotropic in-plane magnetic properties, we interpret the magnetoimpedance results in terms of the low damping parameter α and strain effects in the films. Thus, we verified that our films present good magnetoimpedance performance and showed that high performance can be achieved even in films with isotropic in-plane magnetic properties, since they present low damping parameter α |
| URI: | https://repositorio.ufrn.br/jspui/handle/123456789/29408 |
| ISSN: | 1882-0786 |
| Appears in Collections: | CCET - DFTE - Artigos publicados em periódicos |
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