Raman spectroscopy of carbon nanotubes
The use of Raman spectroscopy to reveal the remarkable structure and the unusual
electronic and phonon properties of single wall carbon nanotubes (SWNTs) is reviewed …
electronic and phonon properties of single wall carbon nanotubes (SWNTs) is reviewed …
Negative differential conductance and hot phonons in suspended nanotube molecular wires
Freely suspended metallic single-walled carbon nanotubes (SWNTs) exhibit reduced
current carrying ability compared to those lying on substrates, and striking negative …
current carrying ability compared to those lying on substrates, and striking negative …
Chirality dependence of exciton effects in single-wall carbon nanotubes: Tight-binding model
We have studied the exciton properties of single-wall carbon nanotubes by solving the
Bethe-Salpeter equation within tight-binding models. The screening effect of the π electrons …
Bethe-Salpeter equation within tight-binding models. The screening effect of the π electrons …
Substrate-induced Raman frequency variation for single-walled carbon nanotubes
We report on the monotonic Raman frequency shift and intensity variation when a laser spot
moves along the same single-walled carbon nanotube (SWNT) for both the radial-breathing …
moves along the same single-walled carbon nanotube (SWNT) for both the radial-breathing …
Exciton states and optical properties of carbon nanotubes
H Ajiki - Journal of Physics: Condensed Matter, 2012 - iopscience.iop.org
Exciton states and related optical properties of a single-walled carbon nanotube are
reviewed, primarily from a theoretical viewpoint. The energies and wavefunctions of excitons …
reviewed, primarily from a theoretical viewpoint. The energies and wavefunctions of excitons …
Impact of oxide substrate on electrical and optical properties of carbon nanotube devices
We have studied suspended nanotube devices to investigate directly the impact of oxide
substrate on the properties of nanotubes. The 1/f noise amplitude is reduced by about one …
substrate on the properties of nanotubes. The 1/f noise amplitude is reduced by about one …
Environment effects on excitons in semiconducting carbon nanotubes
T Ando - Journal of the Physical Society of Japan, 2010 - journals.jps.jp
Effects of environmental dielectric screening on excitons in carbon nanotubes are studied
within ak· p scheme and a continuum model. They are shown to be sensitive to the effective …
within ak· p scheme and a continuum model. They are shown to be sensitive to the effective …
How does the substrate affect the Raman and excited state spectra of a carbon nanotube?
We study the optical properties of a single, semiconducting single-walled carbon nanotube
(CNT) that is partially suspended across a trench and partially supported by a SiO 2 …
(CNT) that is partially suspended across a trench and partially supported by a SiO 2 …
The environmental effect on the radial breathing mode of carbon nanotubes in water
MJ Longhurst, N Quirke - The Journal of chemical physics, 2006 - pubs.aip.org
We investigate, using molecular dynamics, the effect on the radial breathing mode (RBM)
frequency of immersion in water for a range of single-walled carbon nanotubes. We find that …
frequency of immersion in water for a range of single-walled carbon nanotubes. We find that …
Temperature dependent Raman spectra of isolated suspended single-walled carbon nanotubes
Ultralong isolated single-walled carbon nanotubes (SWCNTs) were synthesized on a
SiO2/Mo mesh to fabricate long individual suspended SWCNT samples. We detected a …
SiO2/Mo mesh to fabricate long individual suspended SWCNT samples. We detected a …