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May 21, 2026Advanced Functional Materials0 citations

Nitrogen Doping Regulated Hollow Soft‐Magnetic Alloy/Carbon Composites to Break Through Snoek Limit for Total Absorption of Electromagnetic Waves in n77, n78, and n79 of 5G Bands (Adv. Funct. Mater. 39/2026)

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TTTianyu TaiTongji UniversityYGYing GuoChinese Academy of SciencesKZKun ZhengChinese Academy of Sciences

Key Points

  • This research investigates the effectiveness of CoNi@NC composite materials for enhancing microwave absorption in 5G signals.
  • Developed CoNi@NC composite material for microwave absorption.
  • Utilized heterogeneous interfaces and elemental doping to optimize frequency and impedance.
  • Evaluated performance in the context of the Snook limit for microwave materials.
  • CoNi@NC demonstrated significant absorption of 5G signals from base stations.
  • Elemental doping increased natural resonance frequency, improving electromagnetic wave absorption.
  • Research suggests overcoming the Snook limit for better performance in 5G bands.

Abstract

Magnetic Microwave-Absorbing Materials In their Research Article (10.1002/adfm.74997), Heng Zhou, Hongbo Gu. and co-workers show that the microwave-absorbing material CoNi@NC can absorb 5G signals from base stations. Heterogeneous interfaces and elemental doping increase the natural resonance frequency of the material, optimize impedance matching and overcome the Snook limit, thereby enhancing the absorption of electromagnetic waves in the 5G bands.

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Cite This Study

Tai et al. (2026) studied this question.

synapsesocial.com/papers/6a0ea0f7be05d6e3efb5f492https://doi.org/10.1002/adfm.75817
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