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Keywords:

  • charge transport;
  • ultrathin nanowires;
  • gold nanowires;
  • Tomonaga-Luttinger liquid
Thumbnail image of graphical abstract

The electronic state in ultrathin gold nanowires is tuned by careful engineering of the device architecture via a chemical methodology. The electrons are localized to an insulating state (showing variable range hopping transport) by simply bringing them close to the substrate, while the insertion of an interlayer leads to a Tomonaga Luttinger liquid state.