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Peer-reviewedCC BYNano-Micro Letters

Electronic Delocalization of Fe Atom–Cluster for Long-Term Stable Electromagnetic Wave Absorption in Marine Environments

  • Shaocong Zhong1
  • Xinyu Wang1
  • Rurong Zou2,1
  • Chang Long2
  • Pianpian Zhang3
  • Xueting Zhang1
  • Zihao Zhao1
  • Ying Liu1
  • Can Cui1
  • Yanan Yang4
  • Long Xia5
5 affiliations
  1. 1College of Materials Science and Engineering, Harbin Institute of Technology (Weihai), Weihai, 264209, People's Republic of China
  2. 2Aerospace Science and Industry Wuhan Magnetism-Electron Co., Ltd, Wuhan, 430074, People's Republic of China
  3. 3College of Materials Science and Engineering, Harbin Institute of Technology (Weihai), Weihai, 264209, People's Republic of China. [email protected]
  4. 4College of Materials Science and Engineering, Harbin Institute of Technology (Weihai), Weihai, 264209, People's Republic of China. [email protected]
  5. 5College of Materials Science and Engineering, Harbin Institute of Technology (Weihai), Weihai, 264209, People's Republic of China. [email protected]
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Abstract

High‐performance electromagnetic wave (EMW) absorbers with environmental adaptability are essential for advanced maritime stealth and electromagnetic protection. Herein, we design a synergistic absorber integrating Fe clusters (Fe AC ) and single atoms (Fe SA ) to tackle the issue of EMW attenuation under high-salinity and humidity marine conditions. First-principles calculations and experiments reveal that Fe AC and Fe SA anchored on a π ‐conjugated carbon support form a delocalized electronic space that enables long-range electronic interactions and multicenter synergistic coupling. This electronic synergy markedly strengthens conduction loss and dipolar polarization, delivering a minimum reflection loss of − 68.78 dB and an effective absorption bandwidth of 6.00 GHz at a low loading of 6 wt%. Notably, Fe AC exhibits a thermodynamically preferred adsorption toward Cl − , generating locally enriched negative‐charge regions that mitigate direct ionic attack on atomically dispersed Fe SA sites and thereby suppress corrosion-induced performance degradation. In addition, the absorber film demonstrates mechanical flexibility and thermal insulation, highlighting its potential for durable and high‐efficiency maritime EMW protection applications.

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Cite

BibTeXRIS
BibTeX
@article{zhong2026electronic,
  title = {{Electronic Delocalization of Fe Atom–Cluster for Long-Term Stable Electromagnetic Wave Absorption in Marine Environments}},
  author = {Shaocong Zhong and Xinyu Wang and Rurong Zou and Chang Long and Pianpian Zhang and Xueting Zhang and Zihao Zhao and Ying Liu and Can Cui and Yanan Yang and Long Xia},
  journal = {Nano-Micro Letters},
  year = {2026},
  month = may,
  doi = {10.1007/s40820-026-02210-y},
  url = {https://doi.org/10.1007/s40820-026-02210-y},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Electronic Delocalization of Fe Atom–Cluster for Long-Term Stable Electromagnetic Wave Absorption in Marine Environments
AU  - Shaocong Zhong
AU  - Xinyu Wang
AU  - Rurong Zou
AU  - Chang Long
AU  - Pianpian Zhang
AU  - Xueting Zhang
AU  - Zihao Zhao
AU  - Ying Liu
AU  - Can Cui
AU  - Yanan Yang
AU  - Long Xia
PY  - 2026
DA  - 2026/05/11
JO  - Nano-Micro Letters
DO  - 10.1007/s40820-026-02210-y
UR  - https://doi.org/10.1007/s40820-026-02210-y
AB  - High‐performance electromagnetic wave (EMW) absorbers with environmental adaptability are essential for advanced maritime stealth and electromagnetic protection. Herein, we design a synergistic absorber integrating Fe clusters (Fe AC ) and single atoms (Fe SA ) to tackle the issue of EMW attenuation under high-salinity and humidity marine conditions. First-principles calculations and experiments reveal that Fe AC and Fe SA anchored on a π ‐conjugated carbon support form a delocalized electronic space that enables long-range electronic interactions and multicenter synergistic coupling. This electronic synergy markedly strengthens conduction loss and dipolar polarization, delivering a minimum reflection loss of − 68.78 dB and an effective absorption bandwidth of 6.00 GHz at a low loading of 6 wt%. Notably, Fe AC exhibits a thermodynamically preferred adsorption toward Cl − , generating locally enriched negative‐charge regions that mitigate direct ionic attack on atomically dispersed Fe SA sites and thereby suppress corrosion-induced performance degradation. In addition, the absorber film demonstrates mechanical flexibility and thermal insulation, highlighting its potential for durable and high‐efficiency maritime EMW protection applications.
SN  - 2150-5551
SN  - 2311-6706
ER  -