Reversal current observed in micro- and submicro-channel flow under non-continuous DC electric field

Duan Yi-fei¹, Ma Hong-wei¹, Gao Ze-yang¹, Wang Kai-ge^{1, †}, Zhao Wei^{1, 2}, Sun Dan¹, Wang Gui-ren², Li Jun-jie³, Bai Jin-tao¹, Gu Chang-zhi³

(color online) Steady current values of four solutions varying with external applied voltage. ■, •, ▴, and ⋆ represent DI water, 1× TBE, 1-M KCl, and 10-mM Tris, respectively. Diameter of channel .