Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
1997-10-12
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
3 pages of Latex, plus one postscript file containing 4 figures, to appear in Proceedings of EP2DS 12 (Tokyo 1997)
Scientific paper
10.1016/S0921-4526(98)00083-0
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 parity 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.
Bockrath Marc
Chopra Nasreen
Cobden David Henry
McEuen Paul L.
Rinzler Andrew
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