Advantageous synergistic strategy to construct Ni@C/PC composites for efficient electromagnetic wave absorption

Carbon, Journal Year: 2025, Volume and Issue: unknown, P. 120010 - 120010

Published: Jan. 1, 2025

Language: Английский

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Ti3C2Tx MXene nanobelts with alkali ion intercalation: Dual-purpose for enhanced lithium-ion batteries and microwave absorption

Carbon, Journal Year: 2025, Volume and Issue: unknown, P. 120148 - 120148

Published: Feb. 1, 2025

Language: Английский

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High-performance MOF-based electromagnetic wave absorption materials: design and performance optimization

Materials Chemistry Frontiers, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Electromagnetic wave absorbing material (EMWAM) based on metal-organic framework (MOF) has high loss capacity and wide absorption bandwidth. This paper reviews recent research MOF-based EMWAM outlines current challenges future directions.

Language: Английский

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In situ growth of the Y₃Si₂C₂ interphase in SiC_f‐reinforced mullite ceramics for enhanced electromagnetic wave absorption

Journal of the American Ceramic Society, Journal Year: 2025, Volume and Issue: unknown

Published: March 22, 2025

Abstract To meet the rigorous demands placed on electromagnetic (EM) wave absorbing (EWA) materials by harsh service conditions and to reduce EM power density, development of ceramic‐based EWA with high reliability stability has become a subject significant focus. In this study, yttrium silicide carbide interphase was in situ synthesized silicon fibers fabricate Y₃Si₂C₂–SiC f composite molten salt method. These were then incorporated into mullite ceramic matrix, /mullite composites prepared gel injection molding, aiming at enhancing properties. The exhibited reflection loss −28.97 dB 2.44 mm thickness an effective absorption bandwidth 3.066 GHz, outperforming pure SiC due addition . A modified Drude–Lorentz model developed capture multi‐peak permittivity behavior composites. results showed that dipole relaxation hopping migration localized electrons played key roles overall microwave energy attenuation, which closely matched experimental data. Furthermore, simulations electric field distribution radar cross‐section confirmed superior capability practical application potential This study offers valuable theoretical insights design ‐reinforced materials.

Language: Английский

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State of the art and prospects in metal-organic framework-derived microwave absorption materials

Soft Science, Journal Year: 2024, Volume and Issue: 4(4)

Published: Dec. 24, 2024

Microwaves are currently used in many fields, including the military, medical, and communication. However, ensuing electromagnetic radiation has seriously threatened human life. Therefore, design of high-performance microwave absorbing materials (MAMs) become an important development direction. Metal-organic frameworks (MOFs) regarded as a bright new star among MAMs with broad application prospects due to their advantages tunable structure, large specific surface area, high porosity, etc . This paper reviews research progress derived from MOFs recent years, preparation methods, properties absorption mechanisms. Finally, problems MOF-derived discussed.

Language: Английский

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Balance dielectric and magnetic losses to enhance the microwave absorption performance of CaFe0.5Mn0.5O3-δ@Co3O4@Fe3O4

Journal of Alloys and Compounds, Journal Year: 2025, Volume and Issue: unknown, P. 179194 - 179194

Published: Feb. 1, 2025

Language: Английский

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Synthesis, structural characterization, Hirshfeld surface analysis, and electrical properties of a zinc (II)-based organic–inorganic hybrid compound

Journal of Materials Science Materials in Electronics, Journal Year: 2025, Volume and Issue: 36(8)

Published: March 1, 2025

Language: Английский

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Top‐Level Electromagnetic Design of Multishell Resonant Cavity for Microspherical Microwave Structural Absorbers

Small Structures, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 11, 2025

In response to the increasing need for high‐performance microwave absorption materials (MAMs), this study introduces a multiaxis electrospinning method synthesizing graphene‐based aerogel microspheres (GAMs) aimed at broadband (MA). The micro/nanostructures and shell configurations of GAMs are effectively regulated controlled establish predictable structure‐properties relationship via establishing equivalent electromagnetic (EM) models. computational simulations results structure–property employed as guidance evaluate effects structural features, like hollow structures multilayered shells. analysis reveals that enhancing cavity optimizes impedance matching promotes MA performance. Utilizing these insights, fabricated (HGAMs) achieve an effective bandwidth (EAB) 8.1 GHz optimal reflection loss −34.8 dB 3.3 mm thickness. Further involving various hierarchical arranged into mono/bilayer arrays investigate group coupling on performance through synergistically absorptive, interferential, resonant attenuation mechanisms. Actual examination using arch HGAM bilayer confirms simulations, achieving EAB 15 thickness 7 mm. Consequently, approach demonstrates promising avenue developing lightweight, nanostructured MAMs suitable advanced applications.

Language: Английский

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Progress of MOFs Composites in the Field of Microwave Absorption

Carbon, Journal Year: 2025, Volume and Issue: unknown, P. 120241 - 120241

Published: March 1, 2025

Language: Английский

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Prussene: Transforming ancient pigments into magnetic nanoalloyed 2D layers

Matter, Journal Year: 2025, Volume and Issue: unknown, P. 102090 - 102090

Published: March 1, 2025

Language: Английский

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