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Anionic high-entropy doping engineering for electromagnetic wave absorption

Author

Listed:
  • Jiaqi Tao

    (Nanjing University of Aeronautics and Astronautics)

  • Yi Yan

    (Nanjing University of Aeronautics and Astronautics)

  • Jintang Zhou

    (Nanjing University of Aeronautics and Astronautics)

  • Jin Wang

    (Nanjing University of Posts and Telecommunications)

  • Ping Chen

    (Nanjing University)

  • Ruiyang Tan

    (Nanjing University)

  • Linling Xu

    (Nanjing University)

  • Hongbao Zhu

    (Nanjing University of Aeronautics and Astronautics)

  • Wenhui Zhu

    (Nanjing University of Aeronautics and Astronautics)

  • Hexia Huang

    (Nanjing University of Aeronautics and Astronautics
    Nanjing University of Aeronautics and Astronautics)

  • Xuewei Tao

    (Nanjing Institute of Technology)

  • Zhengjun Yao

    (Nanjing University of Aeronautics and Astronautics)

Abstract

High-entropy doping (HED) engineering surpasses conventional methods for optimizing atomic configurations and electronic structures, opening new paths for developing advanced electromagnetic wave absorbing (EWA) materials. However, the application of anionic HED engineering to tailor EWA mechanisms remains unexplored. Herein, we employ in situ pyrolysis combined with a three-stage solvent thermal doping procedure to systematically induce anion multibody interactions, thereby facilitating the inheritance and accumulation of beneficial EWA properties. The research shows that anions with various electronegativities precisely balance free charges and create a significant localized charge imbalance, triggering the ‘directional cocktail effect’. This effect induces an optimal dielectric loss mechanism and enhances the EWA performance. With only 7.5 wt% filling, the effective absorption bandwidth and minimum reflection loss are 7.05 GHz and −60 dB, respectively. Overall, we report an anionic HED engineering within thin a graphite framework, which may be conceptually extendable for electromagnetic modulation of other two-dimensional van der Waals EWA materials.

Suggested Citation

  • Jiaqi Tao & Yi Yan & Jintang Zhou & Jin Wang & Ping Chen & Ruiyang Tan & Linling Xu & Hongbao Zhu & Wenhui Zhu & Hexia Huang & Xuewei Tao & Zhengjun Yao, 2025. "Anionic high-entropy doping engineering for electromagnetic wave absorption," Nature Communications, Nature, vol. 16(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-58448-4
    DOI: 10.1038/s41467-025-58448-4
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    1. Hualiang Lv & Yuxing Yao & Mingyue Yuan & Guanyu Chen & Yuchao Wang & Longjun Rao & Shucong Li & Ufuoma I. Kara & Robert L. Dupont & Cheng Zhang & Boyuan Chen & Bo Liu & Xiaodi Zhou & Renbing Wu & Sol, 2024. "Functional nanoporous graphene superlattice," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    2. Bo Cai & Lu Zhou & Pei-Yan Zhao & Hua-Long Peng & Zhi-Ling Hou & Pengfei Hu & Li-Min Liu & Guang-Sheng Wang, 2024. "Interface-induced dual-pinning mechanism enhances low-frequency electromagnetic wave loss," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    3. Rui Zhang & Chunyang Wang & Peichao Zou & Ruoqian Lin & Lu Ma & Liang Yin & Tianyi Li & Wenqian Xu & Hao Jia & Qiuyan Li & Sami Sainio & Kim Kisslinger & Stephen E. Trask & Steven N. Ehrlich & Yang Ya, 2022. "Compositionally complex doping for zero-strain zero-cobalt layered cathodes," Nature, Nature, vol. 610(7930), pages 67-73, October.
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