DataVXAdvanced Functional MaterialsPaper
journal article·2025-09

Uniting Superior Electromagnetic Wave Absorption with High Thermal Stability in Bioinspired Metamaterial by Direct Ink Writing

Guanghui Feng, Lingxiang Guo, Hanyang Yu, Ying Li, Bin Ren, Bing Liu, Lei Wan, Jia Sun, Xi He, Qiangang Fu, Hejun Li, Jian Lu

Advanced Functional Materials· Volume 35· Issue 36
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Source abstract

Abstract

Abstract High‐performance electromagnetic wave (EMW) absorption materials are in great demand in intelligent communication and camouflage fields. Achieving efficient EMW absorption under some extreme environments, such as strong chemical corrosion and thermal impact, remains a huge challenge. Drawing inspiration from the natural structure of rose petals, here a three‐dimensionally printed SiOC‐ZrB 2 metamaterial is proposed, which shows not only gradient impedance but also multiple polarization modes. Such advancements endow the metamaterial with a broad bandwidth of 10.80 GHz and a strong reflection loss of −39.17 dB. Importantly, serving as a wing of an aircraft, the metamaterial presents a small radar cross‐section of −59.54 dB(m 2 ) and a high thermo‐oxidative stability up to 1500 °C, with a mass change of less than 3.2% after exposure for 240 min, holding a great promise for extremely thermal scenes. This work extends the design strategy of EMW absorption metamaterial and drives the development of advanced absorbers with environmental adaptation.
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Research context

Metals & alloys

OpenAlex topics: Metamaterials and Metasurfaces Applications · Advanced Antenna and Metasurface Technologies · Electromagnetic wave absorption materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Mechanical Engineering City University of Hong Kong Hong Kong China

Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM) City University of Hong Kong Hong Kong China

Guangdong‐Hong Kong Joint Laboratory of Modern Surface Engineering Technology City University of Hong Kong Hong Kong China

Shaanxi Key Laboratory of Fiber Reinforced Light Composite Materials School of Materials Science and Engineering Northwestern Polytechnical University Xi’an 710072 China

City University of Hong Kong Matter Science Research Institute (Futian) Shenzhen 518045 China

China Resources Research Institute of Science and Technology Shenzhen 518057 China

City University of Hong Kong Matter Science Research Institute (Futian) Southern University of Science and Technology Shenzhen 518055 China

Funding

Innovation and Technology Commission - Hong Kong · Guangdong Provincial Department of Science and Technology · Research Grants Council, University Grants Committee · Science, Technology and Innovation Commission of Shenzhen Municipality

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