Reduction of Electromagnetic Interference Using ZnO-PCL Nanocomposites at Microwave Frequency

Table 1

Real and imaginary parts of permittivity for all samples at 8–12 GHz.

Sample	Dielectric const.	Loss factor
Pure PCL	2.79	0.24
ZnO nano	6.48	1.41
ZnO-PCL-25%ZnO	2.95	0.27
ZnO-PCL-35%ZnO	3.15	0.39
ZnO-PCL-45%ZnO	3.34	0.46
ZnO-PCL-50%ZnO	3.54	0.50
ZnO-PCL-70%ZnO	3.99	0.63