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Keywords:

  • Carbon nanotubes;
  • Heterojunctions;
  • Nanowires;
  • Semiconductors;
  • Switches
Thumbnail image of graphical abstract

Mg3N2-Ga nanoscale semiconductor–liquid metal heterojunctions homogeneously coated with very thin graphitic carbon nanotube (GCNT) layers are fabricated (see figure). Most of the junctions have a uniform diameter of ca. 100–200 nm. GCNTs coated on the nanowire junctions are only several nanometers thick. A convergent electron beam generated in a transmission electron microscope is demonstrated to be an effective tool for delicate manipulation of a junction.