Figure 2
From: Valley polarized quantum Hall effect and topological insulator phase transitions in silicene

Hall (top) and longitudinal (bottom) conductivities as functions of the Fermi energy for 0 meV (black line) and 4 meV (red line) SOI energy.
T = 2 K, Δz = 0 meV and B = 1 T. This situation represents a trivial insulator.