A truncated-pyramid ultra-wideband electromagnetic absorbing metamaterial based on superparamagnetic composite materials
Guijiang Liu, Xingbao Lyu, Yiqun Ma, Chengxun Yuan, Zhongxiang Zhou, Kudryavtsev Anatoly · IOP Publishing · 2025
This study presents a novel superparamagnetic composite metamaterial with over 90% electromagnetic wave absorption across C-band and X-band.
Plain English summary
Why this matters
Key findings
- The metamaterial achieves over 90% absorption across C-band and X-band.
- Utilizes a composite of superparamagnetic Fe3O4 nanoparticles and hollow glass microspheres.
- The design features a periodic truncated pyramid structure.
- Effective absorption is attributed to multiple electromagnetic loss mechanisms.
- The gradient structure enhances impedance matching.
What's new
The study presents a unique design and fabrication approach for a superparamagnetic composite metamaterial that breaks traditional absorption limits.
Limitations
The abstract does not provide details on potential applications or the scalability of the fabrication process.
Commercial context
The material is still in the experimental validation phase and has not been shown to be commercially available.
Publication
- Publisher
- IOP Publishing
- Publication date
- December 1, 2025
- Research type
- Paper
- License
- https://publishingsupport.iopscience.iop.org/iop-standard/v1
Tags
More on Electromagnetic Metamaterials
See all →Dorsiventrally Bicolored Leaf‐Inspired Metamaterial Absorbers for Tailorable Electromagnetic Absorption
This research proposes a bioinspired metamaterial that achieves high-performance, tailorable electromagnetic absorption across a broad frequency range.
Tailored Multi‐Scale and Flexible Metamaterial for Broadband Electromagnetic Wave Absorption and Infrared Stealth
This research presents a flexible metamaterial absorber that achieves radar-IR compatible stealth with enhanced electromagnetic wave absorption.
Multi-Resonant Metamaterial Absorber for Electromagnetic Absorption in S-, C-, X-, and Ku- Bands
This study presents a multi-resonant metamaterial absorber achieving over 97% electromagnetic absorption across several microwave frequency bands.
Low-Frequency Broadband Bandgap of a Tunable Metamaterial Beam with Electromagnetic Resonators: Numerical and Experimental Study
This study explores a tunable metamaterial beam that achieves low-frequency broadband bandgap broadening through electromagnetic resonators.
Integrated Electromagnetic Wave Absorption‐Transmission via 3D‐Printed Bilayered Metamaterial
A bilayered 3D-printed metamaterial achieves integrated electromagnetic wave absorption and transmission, enhancing performance for communication systems.
Magnetoresponsive Fiber-Reinforced Periodic Impedance-Gradient Absorber: Design and Microwave Absorption Performance
A novel multilayer metamaterial absorber achieves efficient electromagnetic absorption across multiple bands with enhanced mechanical properties.
Recently published
Latest research →Bio-inspired re-entrant honeycomb metamaterial with programmable dual-plateau mechanical response
A bio-inspired re-entrant honeycomb mechanical metamaterial is described as having a programmable dual-plateau mechanical response.
Modelling the thermo-mechanical responses and shape recovery performance of particle-reinforced shape memory polymer composites in cold and hot programming
A study focused on modeling thermo-mechanical behavior and shape recovery of particle-reinforced shape-memory polymer composites when programmed in cold versus hot conditions.
Functional Shape Recovery Response of Heat-Treated NiTiCu SHAPE Memory Alloy Wire
Heat treatment of NiTiCu shape memory alloy wires enhances their shape recovery response, achieving a high recovery ratio.
A Deformable Robot Based on Shape Memory Alloy and Phase Change Metal
This research presents a novel deformable robot that integrates Shape Memory Alloys and phase change metals for enhanced adaptability and locomotion.