Transport Spectroscopy of Single-Walled Carbon Nanotubes

نویسندگان

  • David H. Cobden
  • Marc Bockrath
  • Nasreen Chopra
  • Alex Zettl
  • Paul L. McEuen
  • Richard E. Smalley
چکیده

We have performed transport spectroscopy on individual ropes of single-walled carbon nanotubes. We find that the levels are Zeeman split in a magnetic field, with a g-factor of 2.04 ± 0.05. The observed pattern of peak splittings indicates the parit y of the number of electrons on the dot. In one device there are also signs of the presence of a second dot. We observe features which resemble anticrossings between quantum levels in the two dots, which may be formed from separate conducting nanotubes within the rope.

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تاریخ انتشار 1998