(a) CDW conductive state switching sequence in three-electrode cell and (b) scanning electron microscopy structure image. (a) G gate, D drain, S source, controlling voltages Vd = 8.5 V, Vt1 = –4.70 V, Vt2 = –4,72 V and Vg = –8 V, 0 V and –5 V at each stage, respectively. Images copied from [127] under license CC BY 4.0