fig5

Figure 5. Wave-transparent phase integration strategies for optimizing impedance matching. (A) Macro/microstructure morphology, (B) dielectric properties, and (C) high-temperature dielectric stability of Si₃N₄@SiO₂ nanowire aerogel. (A-C) are reprinted with permission from Ref.^[64]. © The Author(s) 2023; (D) SEM morphology, (E) real permittivity, and (F) imaginary permittivity of dual-network Si₃N₄/SiC aerogel. (D-F) are reprinted with permission from Ref.^[52]. © 2022 Wiley‐VCH GmbH; (G) TEM images of SiC@SiO₂ core-shell nanowires with varying oxidation durations, (H) impedance matching characteristics, and (I) RL curves and EAB comparison of SiC@SiO₂ nanowire aerogel. (G-I) are reprinted with permission from Ref.^[57]. © 2023 Elsevier. SEM: Scanning electron microscopy; TEM: transmission electron microscopy; RL: reflection loss; EAB: effective absorption bandwidth; EMW: electromagnetic wave; SNWA: SiC nanowire aerogels.