Fig. 5From: Infrared Properties and Terahertz Wave Modulation of Graphene/MnZn Ferrite/p-Si HeterojunctionsTHz characterization. (a) The spectrum of THz transmittance from 0.2 to 1.0 THz at different gate voltages from −25 to 25 V, and (b) the frequency domain spectrum under different external magnetic field from 0.63 to 0.70 THzBack to article page