Figure 13

Comparison of various absorber thickness (t m ) for the NiO/NiCo2O4-wax (60 wt %) composites with the simulated thickness under λ/4 conditions at the frequency of maximum RL values (f m ).
Comparison of various absorber thickness (t m ) for the NiO/NiCo2O4-wax (60 wt %) composites with the simulated thickness under λ/4 conditions at the frequency of maximum RL values (f m ).