Fig. 4
From: Spin Hall photoconductance in a three-dimensional topological insulator at room temperature
Kerr angle and helical photoconductance vs. bias voltage. a–c Kerr angle θk vs. the applied bias Vsd at the left edge (a), center (b), and right edge (c) of a BTS platelet (Plaser = 400 µW). d–f Corresponding ΔGhelical vs. the applied bias Vsd (Plaser = 230 µW). All measurements are performed at room temperature
