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New multilayer arrangement of dielectric layers for enhancement of the magnetic shielding absorption at low frequency in the near field

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Abstract

This paper presents a new multilayer arrangement structure based on the dielectric polymer, which allows an effective absorption of magnetic wave radiation, and a selective reflection of desired wavelengths of the shield composite in the low frequency range that is not widely used in general cases. This is caused by the impedance mismatch between conductive films and air, and between conductive films and dielectric polymer layer. The structure is built from alternating conductive films and dielectric polymer layers, in a way that dielectric polymer layers are sandwiched between conductive films symmetrically in both directions. The simulation results of both the absorption and the total shielding effectiveness from the developing analytical model are in good agreement with experimental characterization, and could be further extended to the design of systems operating in other frequency ranges.

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Authors and Affiliations

  1. Laboratoire d’études et de développement des matériaux semi-conducteurs et diélectriques, Laghouat, Algeria

    Zoubir Nedjem & Tahar Seghier

  2. Laboratoire d’Analyse et Commande des Systèmes d’Energie et Réseaux Electriques ‘LACoSERE, Laghouat, Algeria

    Abdelchafik Hadjadj

Authors
  1. Zoubir Nedjem
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  2. Tahar Seghier
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  3. Abdelchafik Hadjadj
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Correspondence to Zoubir Nedjem.

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Nedjem, Z., Seghier, T. & Hadjadj, A. New multilayer arrangement of dielectric layers for enhancement of the magnetic shielding absorption at low frequency in the near field. J Mater Sci: Mater Electron 27, 3202–3208 (2016). https://doi.org/10.1007/s10854-015-4145-2

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  • DOI: https://doi.org/10.1007/s10854-015-4145-2

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