Table 2 EM wave absorption properties of carbon-based and graphene-based hybrids reported in recent representative papers.
MAMs | Optimum RL (dB) | Optimum thickness (mm) | Frequency range (GHz) (RL<−20 dB) | Reference |
|---|---|---|---|---|
Co@C | −52 | 3 | 4.0–18.0 | |
Ni/C | −45 | 2 | 4.0–14.2 | |
(Fe, Ni)/C | −26.9 | 2 | 13.6–16.6 | |
Fe/CNTs | −25 | 1.2 | 7.0–15.2 | |
Fe/MWCNTsa | −39 | 4.27 | 2.04–3.47 | |
Co/MWCNTs | −37 | 5.25 | 2.35–3.51 | |
Ni/MWCNTs | −37 | 5.19 | 1.83–3.07 | |
G/CNTs | −44.6 | 3 | 6.0–9.0 | |
Fe@G | −45 | 3.0 | 4.0–18.0 | |
Co/G | −47.5 | 2.0 | 3.0–13.0 | |
Ni/G | −17.8 | 5.0 | – | |
NiFe2O4@ G | −29.2 | 2.0 | 5.7–17.5 | |
MnO2@Fe-G | −17.5 | 1.5 | – | |
ZnO/Fe@Fe3O4/G | −38.4 | 5.0 | 5.9–15.2 | |
G@Fe3O4@ SiO2@NiO | −51.5 | 1.8 | 12.0–15.0 | |
G400 | −65.6 | 2.19 | 2.5–18.0 | this work |
G450 | −58.1 | 1.98 | 5.0–15.8 | this work |
G500 | −41.1 | 2.03 | 5.2–12.6 | this work |
G550 | −47.5 | 2.65 | 2.6–11.0 | this work |
