Electromagnetic wave absorption performance of cement-based materials with bioinspired moth-eye metasurfaces

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Letters Pub Date : 2025-08-29 DOI:10.1016/j.matlet.2025.139417

Xiongfei Liu , Yi Zhang , Yanru Wang , Guowei Ma , Aming Xie , Ziming Xiong

引用次数: 0

Abstract

A bioinspired moth-eye metasurface integrated with a porous cement-based matrix is developed to synergistically regulate impedance matching and electromagnetic loss. The effects of metasurface unit size (height H and diameter D) on electromagnetic wave absorption performance (EWAP) are systematically investigated. Results indicate that the bioinspired structure markedly improves absorption in the 2–18 GHz range. For H = 45 mm and D = 15 mm specimen, the average reflection loss (RL) reaches –33.23 dB, with a minimum RL of −51.6 dB. Experimental and simulation results align well, confirming that the integrated porous metasurface enhances absorption through impedance matching, multiple reflections, interference attenuation, and scattering by multiscale pores. This work proposes an effective material-structure–function integration strategy for cement-based electromagnetic absorbers.

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仿生蛾眼超表面水泥基材料的电磁波吸收性能

一种仿生蛾眼超表面与多孔水泥基基质相结合，可以协同调节阻抗匹配和电磁损耗。系统地研究了超表面单元尺寸（高度H和直径D）对电磁波吸收性能的影响。结果表明，生物启发结构显著提高了2-18 GHz范围内的吸收。对于H = 45 mm和D = 15 mm的样品，平均反射损耗（RL）达到-33.23 dB，最小RL为- 51.6 dB。实验结果与模拟结果吻合良好，证实了集成多孔超表面通过多尺度孔隙的阻抗匹配、多次反射、干涉衰减和散射增强吸收。本文提出了一种有效的水泥基电磁吸收材料-结构-功能集成策略。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Materials Letters 工程技术-材料科学：综合

CiteScore

5.60

自引率

3.30%

发文量

1948

审稿时长

50 days

期刊介绍： Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive