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Moore's curve structuring of ferromagnetic composite PE-NiFe absorbers

N. Fernez 1 Younès Arbaoui 2 A. Maalouf 2 A. Chevalier 2 P. Agaciak 3 Ludovic Burgnies 1, 4, 5 Patrick Queffelec 6, 2 Vincent Laur 2 Eric Lheurette 1, 4 
IBNM - Institut Brestois du Numérique et des Mathématiques, Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance
4 DOME - IEMN - Dispostifs Opto et Micro Electronique - IEMN
IEMN - Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520
Abstract : A ferromagnetic material involving nickel-iron particles embedded in a polyethylene matrix is synthesized and electrically characterized between 1 and 12 GHz. These measurements show the combination of electric and magnetic activity along with significant loss terms. We take benefit of these properties for the design of broadband electromagnetic absorbers. To this aim, we use a fractal structuring based on Moore curves. The advantage of etching patterns over metallic ones is clearly evidenced, and several pattern absorbers identified by their Moore's order iteration are designed and analyzed under oblique incidence.
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Submitted on : Tuesday, May 24, 2022 - 4:14:11 PM
Last modification on : Tuesday, November 22, 2022 - 2:26:14 PM
Long-term archiving on: : Tuesday, August 30, 2022 - 10:20:21 AM


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N. Fernez, Younès Arbaoui, A. Maalouf, A. Chevalier, P. Agaciak, et al.. Moore's curve structuring of ferromagnetic composite PE-NiFe absorbers. Journal of Applied Physics, 2018, 123 (8), pp.084902. ⟨10.1063/1.5020367⟩. ⟨hal-02006697⟩



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