Key points are not available for this paper at this time.
Artificial single nanochannels with chemical/structural asymmetry and controllable continuous change of ionic-current rectification are prepared by ion-sputtering technology. The nanochannel is embedded in a track-etched poly(ethylene terephthalate) (PET) membrane and sputtered with Pt on the tip side of the nanochannel. Detailed facts of importance to specialist readers are published as ”Supporting Information”. Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Hou et al. (Mon,) studied this question.