3D net-like Fe3O4/MWCNTs composites with wideband electromagnetic absorption performances

Yanyan Zhu; Guangzhen Zhao; Hongxia Cao; Chengcheng Liu

doi:10.1117/12.3025583

8 April 2024 3D net-like Fe₃O₄/MWCNTs composites with wideband electromagnetic absorption performances

Yanyan Zhu, Guangzhen Zhao, Hongxia Cao, Chengcheng Liu

Proceedings Volume 13090, International Conference on Computer Application and Information Security (ICCAIS 2023); 130900K (2024) https://doi.org/10.1117/12.3025583
Event: International Conference on Computer Application and Information Security (ICCAIS 2023), 2023, Wuhan, China

Abstract

One effective solution to address the growing issue of electromagnetic pollution is the creation of high performance electromagnetic absorption materials. Herein, 3D net-like composites of Fe₃O₄/MWCNTs were fabricated using the facial hydrothermal procedure. Benefiting from the synergistic effect between dielectric and magnetic loss, multiple reflections and scatterings, Fe₃O₄/MWCNTs composites exhibiting efficient electromagnetic absorption performances. Remarkably, at 5.64 GHz, the maximum reflection loss (RL) can reach as high as -45.70 dB, while the wide effective absorption bandwidth could cover 7.96 GHz (3.72-8.16 GHz, 13.88-17.40 GHz) with the thickness range of 3.1-4.7 mm. Overall, the fabricated 3D net-like Fe₃O₄/MWCNTs composites are expected to be powerful candidates for light weight, high performance and wide bandwidth electromagnetic absorption materials.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yanyan Zhu, Guangzhen Zhao, Hongxia Cao, and Chengcheng Liu "3D net-like Fe₃O₄/MWCNTs composites with wideband electromagnetic absorption performances", Proc. SPIE 13090, International Conference on Computer Application and Information Security (ICCAIS 2023), 130900K (8 April 2024); https://doi.org/10.1117/12.3025583

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KEYWORDS

Iron

Electromagnetism

Absorption

Composites

Magnetism

Reflection

Interfaces

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