The polarization property of nanotubes with taking into account the radial motion of valence electrons
V.A. Aleksandrov (1), A.V. Stepanov (2) G.M. Filippov (2) ((1) Chuvash, State University, Russia, Chuvash Republic, Cheboksary, (2) Cheboksary, Politechnic Institute (branch) of the Moscow State Open University, Russia,, Chuvash Republic, Cheboksary)
TL;DR
This paper investigates the dielectric properties of carbon nanotubes by considering the radial motion of valence electrons, revealing differences from traditional 2D electron gas models and analyzing excitation modes.
Contribution
It introduces a model accounting for radial electron motion in CNTs, providing new insights beyond standard 2D electron gas approximations.
Findings
Radial motion significantly affects dielectric properties.
Differences observed compared to traditional 2D models.
Analysis of collective and individual excitation modes.
Abstract
Dielectric properties of carbon nanotubes (CNT) are calculated with taking into account the deviation of carbon valence electrons from to be placed exactly on the CNT surface. The results show difference to the usually applied 2D electron gas theory. The collective as well as individual modes of elementary excitations for a model CNT are presented.
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Taxonomy
TopicsCarbon Nanotubes in Composites · Graphene research and applications · Nanotechnology research and applications