[Retracted] Development of the Broadband Multilayer Absorption Materials with Genetic Algorithm up to 8 GHz Frequency

Table 9

The possible designs of three-layer RAM with total thickness ≤ 5 mm, (0.85–5.4) GHz, and R = −20 dB.

Layer no.	1^st design		2^nd design		3^rd design
	Material order	Depth (mm) (thickness)	Material order	Depth (mm) (thickness)	Material order	Depth (mm) (thickness)
Layer1	16	0.6364	16	0.6385	16	0.6962
Layer2	3	1.8146	5	1.9101	12	1.4943
Layer3	4	1.8076	4	1.6488	4	1.8689