Electronic modulations in a single wall carbon nanotube induced by the Au(111) surface reconstruction

Citation data:

Applied Physics Letters, ISSN: 0003-6951, Vol: 106, Issue: 5

Publication Year:
2015
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Repository URL:
http://scholarworks.unist.ac.kr/handle/201301/11062
DOI:
10.1063/1.4907613
Author(s):
Clair, Sylvain; Shin, Hyung-Joon; Kim, Yousoo; Kawai, Maki
Publisher(s):
AIP Publishing; AMER INST PHYSICS
Tags:
Physics and Astronomy; Carbon; Carbon nanotubes; Charge transfer; Electronic structure; Modulation; Scanning tunneling microscopy; Surface reconstruction; Temperature; Tubes (components); Yarn
article description
The structural and electronic structure of single wall carbon nanotubes adsorbed on Au(111) has been investigated by low-temperature scanning tunneling microscopy and spectroscopy. The nanotubes were dry deposited in situ in ultrahigh vacuum onto a perfectly clean substrate. In some cases, the native herringbone reconstruction of the Au(111) surface interacted directly with adsorbed nanotubes and produced long-range periodic oscillations in their local density of states, corresponding to charge transfer modulations along the tube axis. This effect, however, was observed not systematically for all tubes and only for semiconducting tubes.