Progress on microwave absorption materials with core-shell structure

Yang, Sheng Lin; You, Wenbin; Qiu, Licheng; Che, Renchao; Shao‐Horn, Yang

doi:10.1360/n972018-00037

Cited by 7 publications

(1 citation statement)

References 40 publications

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“…The shell structure has multiple different shell components arranged in different orders and interconnected chambers, allowing EM waves passing through the different microstructures of the shell to undergo different order attenuation behaviors, effectively improving attenuation ability and impedance matching ability. [94][95][96] Moreover, by adjusting the ratio of the core and shell, along with the microstructure and spatial position, the EM properties of the material can be tailored. In addition, the core-shell structure possesses various dimensions such as 0D, 1D, 2D, and 3D (Figure 3), which provides more opportunities for the structural control engineering of materials, and the preparation of high-efficiency absorbing materials.…”

Section: Core-shell Structurementioning

confidence: 99%

Structure–Activity Relationship in Microstructure Design for Electromagnetic Wave Absorption Applications

Tian

et al. 2023

Small Structures

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Microwave absorbing materials (MAMs) are materials that effectively absorb incident electromagnetic (EM) wave energy, reducing reflection and scattering. They play a crucial role in enhancing electronic reliability, healthcare, and defense security. However, traditional MAMs like ferrites, magnetic metals, and polymers possess certain limitations, including low impedance matching, narrow absorption bandwidth, poor chemical stability, and high filling ratio, which hinder their further development. To address the requirements of lightweight, wideband, and high‐efficiency absorption, precise structural design has emerged as a captivating research focus. Additionally, comprehending the structure–property relationships between these unique microstructures and EM response and loss mechanisms still poses significant challenges. Herein, a comprehensive review of MAMs is presented with varied structural designs encompassing various scales, providing a detailed introduction of the relationship between various potential structural designs of MAMs and their corresponding EM characteristics and loss mechanisms. Moreover, EM theoretical calculation models, characterization, and analysis methods are discussed. Finally, the article proposes the challenges and prospects for the development of structural design EM wave absorbers.

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Section: Core-shell Structurementioning

confidence: 99%