Dielectric, magnetic and electromagnetic shielding properties of Poly-(3,4ethylenedioxythiophene)-maghnite associated with different fillers with any non-canonical shape
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Benhamou, Sidi Mohamed; Lozano Guerrero, Antonio José; Madaoui, Yemouna; Monzó Cabrera, Juan; Hamouni, Mohamed; [et al.]Área de conocimiento
Teoría de la Señal y las ComunicacionesFecha de publicación
2022-03-18Editorial
ElsevierCita bibliográfica
Sidi Mohamed Benhamou, Antonio José Lozano-Guerrero, Yemouna Madaoui, Juan Monzó-Cabrera, Mohammed Hamouni, Alejandro Díaz-Morcillo, Smain Khaldi, Dielectric, magnetic and electromagnetic shielding properties of Poly-(3,4ethylenedioxythiophene)-maghnite associated with different fillers with any non-canonical shape, Measurement, Volume 194, 2022, 111049, ISSN 0263-2241, https://doi.org/10.1016/j.measurement.2022.111049. (https://www.sciencedirect.com/science/article/pii/S0263224122003153)Revisión por pares
SiPalabras clave
Inverse techniqueElectromagnetic shielding effectiveness
3,4ethylenedioxythiophene-maghnite
Electrically conductive additives
Resumen
A new inverse measuring technique that corrects non-desired sample displacements and can handle any kind of sample shapes is presented. It is applied to the estimation of permittivity and permeability of Poly-(3,4ethylenedioxythiophene)-maghnite (PEDOT-Mag) associated with different additives such as iron, copper, and hydrogen. This electromagnetic characterization has been performed over the 9 to 11 GHz frequency range by comparing the simulated and measured scattering parameters of a partially filled WR-90 waveguide. Additionally, the reflection, absorption multiple reflection losses and the shielding effectiveness of these materials have been calculated. Results show higher values of dielectric constant and loss factor for PEDOT-Mag-copper, than those compounds associated with hydrogen or iron. As expected, the highest permeability values are achieved by PEDOT-Mag-iron. The composite PEDOT-Mag-copper exhibits higher attenuation constant, absorption loss, multiple reflection loss and ...
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