fig3

Figure 3. Electromagnetic wave absorption properties of diamond/NdFeB composite films in the frequency range of 170-220 GHz. (A) S₁₁ parameter, (B) S₂₁ parameter, (C) absorption coefficient, (D) transmittance, (E) reflectance, (F) absorptivity, (G) total EMI SE, (H) reflection EMI SE, (I) absorption EMI SE. SD: Si/diamond; SDNT: Si/diamond/NFB/Ta; SDTNT: Si/diamond/Ta/NFB/Ta; EMI: electromagnetic interference; SE: shielding effectiveness.