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. 2016 May 5;6:25442. doi: 10.1038/srep25442

Figure 8.

Figure 8

(a) The absorption coefficient αTM,hc and (b) the figure of merit, FOM, for the GhHC for TM polarization as function of wavenumber for different values of chemical potential of graphene. Shaded region represents the lower Reststrahlen band (LRB).