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Through the molecular dynamics simulations, the ionic currents in physically realistic nanochannels with consideration of the thermal motion of channel walls are observed. It is found that the ionic current changes a little as the surface charge density increases from 0 to −0.3C/m2 with a huge decrease at −0.3C/m2 when the electric filed strength is 0.25V/nm. The Cl-ion current shows a decrease-increase...
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