fig1
Figure 1. Schematic diagram of the BMA’s broadband metamaterial absorber (A) and narrowband metamaterial absorber (B) based on ZrN under vertical incidence, the schematic of the meta-atom for broadband (C) and narrowband (D) absorption. Real and imaginary parts of the relative permittivity (E) of ZrN. BMA: Bifunctional metamaterial absorber; ZrN: zirconium nitride.








