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We present a quantitative theory of optical absorption polarized transverse to the tube axes in semiconducting single-walled carbon nanotubes. Transverse optical absorption in semiconducting single-walled carbon nanotubes is to an exciton…

Materials Science · Physics 2009-11-13 Zhendong Wang , Hongbo Zhao , Sumit Mazumdar

We propose a device which implements a solid-state nanostructured electron entangler. It consists of a single-walled carbon nanotube connected at both end to normal state electrodes and coupled in its middle part to a superconducting…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 V. Bouchiat , N. Chtchelkatchev , D. Feinberg , G. B. Lesovik , T. Martin , J. Torres

The lack of energy dissipation and abrupt electrical phase transition of superconductors favorite them for nanoscale technologies, including radiation detectors, and quantum technologies. Moreover, understanding the nanoscale behavior of…

Biological systems are known to be highly transparent to 700-1100nm near-infrared (NIR) light. It is shown here that the strong optical absorbance of single-walled carbon nanotubes (SWNTs) in this special spectral window, an intrinsic…

Materials Science · Physics 2015-06-25 Nadine Wong Shi Kam , Michael O'Connell , Jeffrey A. Wisdom , Hongjie Dai

We have characterized the electrical conductivity of the composite which consists of multi-walled carbon nanotubes dispersed in SU8 epoxy resin. Depending on the processing conditions of the epoxy (ranging from non-polymerized to…

Materials Science · Physics 2013-06-13 Claudio Grimaldi , Marijana Mionić , Richard Gaal , Lászlo Forró , Arnaud Magrez

We consider theoretically the dynamics of electric currents optically injected in carbon nanotubes. Although the plasma oscillations are not seen in these systems, the main effect on the carrier's motion is due to strongly nonuniform…

Mesoscale and Nanoscale Physics · Physics 2014-11-04 L. L. Bonilla , M. Alvaro , M. Carretero , E. Ya. Sherman

The article reviews recent progress in the theoretical understanding of near-field surface electromagnetic phenomena in pristine and atomically doped carbon nanotubes. The phenomena involving strong coupling effects are outlined. They are…

Mesoscale and Nanoscale Physics · Physics 2010-11-01 I. V. Bondarev

Calculations of quantum transport in a carbon nanotube transistor show that such a device offers unique functionality. It can operate as a ballistic field-effect transistor, with excellent characteristics even when scaled to 10 nm…

Condensed Matter · Physics 2009-11-07 F. Leonard , J. Tersoff

Carbon nanotubes are of central importance for applications in nano-electronics thanks to their exceptional transport properties. They can be used as sensors, for example in biological applications, provided that they are functionalized to…

Mesoscale and Nanoscale Physics · Physics 2020-04-14 Ghassen Jemaï , Jouda Khabthani , Guy Trambly de Laissardière , Didier Mayou

We have fabricated field effect transistors from carbon nanotubes using a novel selective placement scheme. We use carbon nanotubes that are covalently bound to molecules containing hydroxamic acid functionality. The functionalized…

Materials Science · Physics 2015-07-20 Christian Klinke , James B. Hannon , Ali Afzali , Phaedon Avouris

We have measured systematic repetitions of avoided crossings in low temperature three-terminal transport through a carbon nanotube with encapsulated C60 molecules. We show that this is a general effect of the hybridization of a host quantum…

Intrinsic optical transition energies for isolated and individual single wall carbon nanotubes grown over trenches are measured using tunable resonant Raman scattering. Previously measured E22_S optical transitions from nanotubes in…

We demonstrate an individual single-walled carbon nanotube light emitter integrated onto a microcavity and a waveguide operating in the telecom wavelength regime. Light emission from the carbon nanotube is enhanced at the cavity resonance…

Optics · Physics 2021-03-16 D. Yamashita , H. Machiya , K. Otsuka , A. Ishii , Y. K. Kato

Recent experiments showed that unity-order index change in a transparent conducting oxide (TCO) can be achieved in a metal-oxide-semiconductor (MOS) structure by accumulation charge. However, the ultrathin (~5nm) accumulation layer and…

Optics · Physics 2012-05-03 Zhaolin Lu , Wangshi Zhao , Kaifeng Shi

We find that electrons in single-wall carbon nanotubes may propagate substantial distances (tens of nanometers) under the metal contacts. We perform four-probe transport measurements of the nanotube conductance and observe significant…

Mesoscale and Nanoscale Physics · Physics 2013-06-25 A. Makarovski , A. Zhukov , J. Liu , G. Finkelstein

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

Semiconductor nanowires are the building blocks of many nanoscale electrical and neuromorphic circuits. Here, we demonstrate a simple arrangement wherein an ethanol-adsorbed ZnO single nanowire, deposited between gold electrodes using…

Applied Physics · Physics 2020-04-15 Justin Derickson , Benjamin Kerr Barnes , Kausik S Das

We demonstrate sensitive and fast electrical measurements of a carbon nanotube mechanical resonator. The nanotube is configured as a single-electron transistor, whose conductance is a sensitive transducer for its own displacement. Using an…

Mesoscale and Nanoscale Physics · Physics 2018-10-25 Yutian Wen , N. Ares , T. Pei , G. A. D. Briggs , E. A. Laird

We report conductance measurements on multiwall carbon nanotubes in a perpendicular magnetic field. A gate electrode with large capacitance is used to considerably vary the nanotube Fermi level. This enables us to search for signatures of…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Bernhard Stojetz , Csilla Miko , Laszlo Forro , Christoph Strunk

Carbon nanotubes are a good realization of one-dimensional crystals where basic science and potential nanodevice applications merge. Defects are known to modify the electrical resistance of carbon nanotubes. They can be present in as-grown…

Materials Science · Physics 2007-05-23 C. Gomez-Navarro , P. J. De Pablo , J. Gomez-Herrero , B. Biel , F. J. Garcia-Vidal , A. Rubio , F. Flores
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