Nanocomposites Fe/Activated Carbon/PVA for Microwave Absorber: Synthesis and Characterization

Table 2

Electromagnetic (EM) wave absorbing properties of Fe/AC/PVA nanocomposites in this study.

Samples	Thickness (mm)	Reflection loss (dB)	Frequency (GHz)	Frequency bandwidth (GHz)
Fe	2	−15.61	5.71	2.41
	3	−18.02	5.52	2.58
	4	−17.69	5.75	2.37
10% AC	2	−17.08	4.76	1.30
	3	−26.61	4.92	1.56
	4	−18.80	5.06	1.45
20% AC	2	−19.85	4.52	1.55
	3	−32.50	4.65	1.76
	4	−31.30	4.62	1.76
25% AC	2	−22.48	4.78	1.46
	3	−29.07	4.62	2.20
	4	−26.44	4.70	1.64