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Figure 2 | Nanoscale Research Letters

Figure 2

From: Microwave absorption properties of pyrolytic carbon nanofilm

Figure 2

EM properties of the 25-nm-thick PyC in K a band. (a) EMI SE and |S11| (b) R = |S11|2, T = |S21|2, and A = 1 − R − T. Ratios of transmitted/input (S21, EMI SE) and reflected/input (S11) signals measured within 26- to 37-GHz frequency range is presented in (a). Reflectivity (R), transmitivity (T) and absorptivity (A) are connected with the measured S-parameters as the following: R = | S11|2, T = | S21|2, A = 1 − RT. Both measured and calculated values of R, T, and A are presented in (b).

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