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We find that the optical properties of carbon nanotubes reflect remarkably strong effects of exciton-phonon coupling. Tight-binding calculations show that a significant fraction of the spectral weight of the absorption peak is transferred…

Materials Science · Physics 2009-11-10 Vasili Perebeinos , J. Tersoff , Phaedon Avouris

We have investigated excitons in highly-aligned single-walled carbon nanotubes (SWCNTs) through optical spectroscopy at low temperature (1.5 K) and high magnetic fields ($\textbf{\textit{B}}$) up to 55 T. SWCNT/polyacrylic acid films were…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 J. Shaver , S. A. Crooker , J. A. Fagan , E. K. Hobbie , N. Ubrig , O. Portugall , V. Perebeinos , Ph. Avouris , J. Kono

A fast charged particle scattering on a single-wall carbon nanotube of zigzag type was considered. The differential cross sections of scattering on nanotubes of different spatial orientation with respect to the incident particles were…

Mesoscale and Nanoscale Physics · Physics 2025-12-12 Viktoriia Omelchenko

Linear and nonlinear optical properties of low dimensional nanostructures have attracted a large interest in the scientific community as tools to probe the strong confinement of the electrons and for possible applications in optoelectronic…

Materials Science · Physics 2017-03-08 C. Attaccalite , E. Cannuccia , M. Grüning

We present experimental measurements of the electronic contribution to the Raman spectra of individual metallic single-walled carbon nanotubes (MSWNTs). Photoexcited carriers are inelastically scattered by a continuum of low-energy…

Mesoscale and Nanoscale Physics · Physics 2011-10-20 Hootan Farhat , Stéphane berciaud , Martin Kalbac , Riichiro Saito , Tony F. Heinz , Mildred S. Dresselhaus , Jing Kong

The electronic structure and size-scaling of optoelectronic properties in cycloparaphenylene carbon nanorings are investigated using time-dependent density functional theory (TDDFT). The TDDFT calculations on these molecular nanostructures…

Chemical Physics · Physics 2009-12-24 Bryan M. Wong

We present direct experimental observation of exciton-phonon bound states in the photoluminescence excitation spectra of isolated single walled carbon nanotubes in aqueous suspension. The photoluminescence excitation spectra from several…

Materials Science · Physics 2009-11-11 Flavio Plentz , Henrique B. Ribeiro , Ado Jorio , Marcos A. Pimenta , Michael S. Strano

We characterized the energy band dispersion near the Fermi level in single-walled carbon nanotubes using low-temperature scanning tunneling microscopy. Analysis of energy dependent standing wave oscillations, which result from quantum…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Min Ouyang , Jin-Lin Huang , Charles M. Lieber

Luminescence properties of carbon nanotubes are strongly affected by exciton diffusion, which plays an important role in various nonradiative decay processes. Here we perform photoluminescence microscopy on hundreds of individual…

Mesoscale and Nanoscale Physics · Physics 2015-03-23 A. Ishii , M. Yoshida , Y. K. Kato

We study theoretically the interactions of excitonic states with surface electromagnetic modes of small-diameter (~1 nm) semiconducting single-walled carbon nanotubes. We show that these interactions can result in strong…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 I. V. Bondarev , L. M. Woods , K. Tatur

The quasiparticle band structure and optical properties of single-walled zigzag and armchair SiC nanotubes (SiC-NTs) as well as single SiC sheet are investigated by ab initio many-body calculations using the GW and the GW plus…

Mesoscale and Nanoscale Physics · Physics 2011-08-23 H. C. Hsueh , G. Y. Guo , Steven G. Louie

Single-wall carbon nanotubes are almost ideal systems for the investigation of exotic many-body effects due to non-Fermi liquid behavior of interacting electrons in one dimension. Recent theoretical and experimental results are reviewed…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. Odintsov , H. Yoshioka

We report high field magneto-optical study on the first and second sub-band transitions of single-chirality single-walled carbon nanotubes. The ordering and relative energy splitting between bright and dark excitonic states were found to be…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Weihang Zhou , Tatsuya Sasaki , Daisuke Nakamura , Huaping Liu , Hiromichi Kataura , Shojiro Takeyama

The dipole-dipole interactions between excitons are of paramount importance in the nanoscale structures. When two excitons are placed together they can exchange the energy can manifest in the resonant Raman cross sections. We provide…

Mesoscale and Nanoscale Physics · Physics 2024-04-09 Anna Wroblewska , Niclas S. Mueller , Mariusz Zdrojek , Stephanie Reich , Georgy Gordeev

Single walled carbon nanotubes as emerging quantum-light sources may fill a technological gap in silicon photonics due to their potential use as near infrared, electrically driven, classical or non-classical emitters. Unlike in…

We study quantum optical properties of the single-walled carbon nanotube (SWCNT) by introducing the effective interaction between the quantized electromagnetic field and the confined electrons in the SWCNT. Our purpose is to explore the…

Mesoscale and Nanoscale Physics · Physics 2009-04-30 Z. L. Guo , Z. R. Gong , C. P. Sun

We review the theoretical description of spin-orbit scattering and electron spin resonance in carbon nanotubes. Particular emphasis is laid on the effects of electron-electron interactions. The spin-orbit coupling is derived, and the…

Strongly Correlated Electrons · Physics 2012-09-27 A. De Martino , R. Egger , F. Murphy-Armando , K. Hallberg

Recent measurements in single-walled carbon nanotubes show that, on resonance, all nanotubes display the same peak optical conductivity of approximately 8 $e^2/h$, independent of radius or chirality [Joh \emph{et al.}, \emph{Nature…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Jesse M. Kinder , Jiwoong Park , Garnet Kin-Lic Chan

We study contact effects on electron transport across a molecular wire sandwiched between two semi-infinite (carbon) nanotube leads as a model for nanoelectrodes. Employing the Landauer scattering matrix approach we find that the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 G. Fagas , G. Cuniberti , K. Richter

Electron scattering rates in metallic single-walled carbon nanotubes are studied using an atomic force microscope as an electrical probe. From the scaling of the resistance of the same nanotube with length in the low and high bias regimes,…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 Ji-Yong Park , Sami Rosenblatt , Yuval Yaish , Vera Sazonova , Hande Ustunel , Stephan Braig , T. A. Arias , Piet W. Brouwer , Paul L. McEuen