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Updated: Mar 27, 2026
13:44
Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
Published on: December 27, 2012
16.0K
Multi-scale structural design of electromagnetic wave absorbers: pathways to improved performance
Yang Guan1,2,3, Yongpeng Wu1, Jianyu Zhou1
1Shanghai Key Lab. of D&A for Metal-Functional Materials, School of Materials Science & Engineering, Tongji University, Shanghai 201804, China. yangyang_@tongji.edu.cn.
Materials Horizons
|March 26, 2026
Summary
Electromagnetic interference (EMI) from advanced electronics necessitates efficient electromagnetic wave absorbers (EMAs). Optimizing EMA internal structures across all scales is key to improving performance and enabling practical applications.
Area of Science:
- Materials Science
- Electrical Engineering
- Physics
Background:
- The proliferation of wireless communication and Internet of Things (IoT) devices has increased electromagnetic interference (EMI).
- EMI poses risks to electronic device performance, stability, lifespan, and potentially human health.
- Highly efficient electromagnetic wave absorbers (EMAs) are crucial for mitigating EMI.
Purpose of the Study:
- To review fundamental principles of electromagnetic wave absorption.
- To highlight recent advancements in optimizing EMA internal structures.
- To explore design strategies, structure-performance relationships, and fabrication methods for enhancing absorption efficiency.
Main Methods:
- Review of fundamental electromagnetic wave absorption principles.
- Analysis of structure-performance relationships in EMAs across atomic to macroscopic scales.
- Examination of various design strategies and fabrication techniques for EMAs.
Main Results:
- Internal structure is pivotal for EMA absorption performance.
- Optimization of internal structures at multiple length scales can significantly tune absorption efficiency.
- Combined approaches in design and fabrication offer synergistic improvements.
Conclusions:
- Advanced EMAs require sophisticated internal structure optimization for widespread adoption.
- Further research into structure-performance relationships and novel fabrication methods is essential.
- Next-generation EMAs hold significant potential for practical EMI mitigation applications.
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