Multi-anion doped carbon/Fe₃C composite

Ultra-broad absorption bandwidth

Stepwise N/S/F anion doping introduces customized defects in non-marginal carbon areas, inducing multiple polarization resonances and achieving ultra-broad microwave absorption covering X to Ku bands.

Fang, Gang · Liu, Chuyang · Meng, Xu · Xiaohan, Zhang · Wu, Yue · Kim, Dong-hyun · Ji, Guangbin

Advanced Functional Materials 2024

Specifications

Absorption bandwidth GHz

{'zh': '8.28', 'en': '18'} GHz

new polarization resonance

{'zh': '', 'en': '10'} GHz

inherent polarization resonance

{'zh': '', 'en': '15'} GHz

Advantages

F defects induce new polarization resonance at ≈15+ GHz