Bulletin of the American Physical Society
APS March Meeting 2011
Volume 56, Number 1
Monday–Friday, March 21–25, 2011; Dallas, Texas
Abstract: C1.00250 : Development of Side-gated Carbon Nanotubes for Terahertz Studies
Author:
The single-walled carbon nanotube is a truly one-dimensional
conductor. The currently accepted theory describing propagation
of electrons in the nanotube is Luttinger liquid theory, which
predicts collective charge modes moving at a velocity greater
than the Fermi velocity. By modeling the carbon nanotube as a
transmission line, this propagation velocity can be determined
from the standing wave resonances in the system. Due to the high
resistance of carbon nanotubes, a length on the order of one
micron must be used, resulting in resonances which occur at
terahertz (THz) frequencies. These resonances can be measured
using the heating of the nanotube electron system [1]. To avoid
the use of a conducting substrate that absorbs THz, we use a side
gate. We describe the development of nanotube samples with side
gates for the proposed THz experiment.
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[1] D.F. Santavicca, J.D. Chudow, D.E. Prober, M.S. Purewal and
P. Kim, Nano Lett. 10, 4538 (2010).
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2011.MAR.C1.250
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