Fano resonance in crossed carbon nanotubes
Jinhee Kim, Jae-Ryoung Kim, Jeong-O Lee, Jong Wan Park, Hye Mi So, Nam, Kim, Kicheon Kang, Kyung-Hwa Yoo, and Ju-Jin Kim
TL;DR
This paper reports the observation of Fano resonance in crossed multiwall carbon nanotubes, revealing asymmetric conductance peaks influenced by magnetic fields, which enhances understanding of quantum interference effects in nanotube junctions.
Contribution
It demonstrates the experimental detection of Fano resonance in crossed nanotubes and explains the phenomenon through scattering at the contact region.
Findings
Asymmetric conductance peaks observed in crossed nanotubes
Conductance peaks depend on external magnetic field
Presence of Aharonov-Bohm oscillations
Abstract
We report the observation of the resonant transport in multiwall carbon nanotubes in a crossed geometry. The resonant transport is manifested by an asymmetric peak in the differential conductance curve. The observed asymmetric conductance peak is well explained by Fano resonance originating from the scattering at the contact region of the two nanotubes. The conductance peak depends sensitively on the external magnetic field and exhibits Aharonov-Bohm-type oscillation.
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