Figure 15

Comparison of (a) the reflection loss values and (b) peak width (RL < −10 dB) of as-obtained NiO/NiCo2O4-wax composites at various thickness.
Comparison of (a) the reflection loss values and (b) peak width (RL < −10 dB) of as-obtained NiO/NiCo2O4-wax composites at various thickness.