What does this research mean for the field?

A gradient-coated honeycomb metamaterial achieves an absorption bandwidth of 2.2–18 GHz with a thickness of only 30 mm. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research aims to develop a honeycomb metamaterial that efficiently absorbs a wide range of frequencies.

March 5, 2026Journal of Materials Chemistry C2 citations

Design and fabrication of a strong absorption gradient multilayer honeycomb with wideband absorption

HZHaoyu ZhaoBeijing Institute of Technology GCGuiyong ChenCraft Group (China)YMYusong MaSichuan University

Key Points

This research aims to develop a honeycomb metamaterial that efficiently absorbs a wide range of frequencies.
Designed a gradient-coated honeycomb structure.
Fabricated a honeycomb with a thickness of 30 mm.
Tested absorption capabilities across a frequency range of 2.2–18 GHz.
Achieved a wide absorption bandwidth of 2.2–18 GHz.
Demonstrated effective impedance matching through gradient coating.

Abstract

Inspired by multi-scale impedance matching, this study presents a gradient-coated honeycomb metamaterial. With a honeycomb thickness of only 30 mm, it achieves a absorption bandwidth of 2.2–18 GHz.

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