Weak Localization and Dimensional Crossover in Carbon Nanotube Systems

Details Weak Localization and Dimensional Crossover in Carbon Nanotube Systems Weak Localization and Dimensional Crossover in Carbon Nanotube Systems

2010-09-14

arxiv.org/abs/1009.2662v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

We investigate the effects of magnetic and electric fields on electron wavefunction interactions in single walled carbon nanotube bundles. The magnetoresistance measurements performed at 4.2K and the dependence of the data upon the electric field, obtained by varying the bias current through the samples, reveal good agreement with weak localization theory. Recording current-voltage characteristics at different temperatures we find an ohmic non-ohmic transition which disappears above 85K. Conductance vs temperature measurements are also well explained in the framework of weak localization theory by the predicted temperature dependence of the electric field-conditioned characteristic length. This length results equal to the average bundles diameter just at T{\backcong}85K, indicating that the observed conductance transition is due to a 2D-3D crossover.

Affiliated with

Also associated with

No associations

Rating

Weak Localization and Dimensional Crossover in Carbon Nanotube Systems does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Weak Localization and Dimensional Crossover in Carbon Nanotube Systems, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Weak Localization and Dimensional Crossover in Carbon Nanotube Systems will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-396030