articleNature CommunicationsApr 2, 2025GOLD OA

Anionic high-entropy doping engineering for electromagnetic wave absorption

JTJiaqi TaoYYYi YanJZJintang ZhouJWJin WangPCPïng Chen

Nanjing University of Aeronautics and Astronautics · Nanjing University of Posts and Telecommunications · +3 more institutions

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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…

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Topics & keywords

Topics
Keywords
  • Doping
  • van der Waals force
  • Dielectric
  • Reflection loss
  • Ion
  • Materials science
  • Chemical physics
  • Thermal
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