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We study 23 to 30 nm long suspended single-wall carbon nanotube quantum dots and observe both their stretching and bending vibrational modes. We use low-temperature DC electron transport to excite and measure the tubes' bending mode by…

Mesoscale and Nanoscale Physics · Physics 2012-09-21 J. O. Island , V. Tayari , A. C. McRae , A. R. Champagne

Well-known conductive molecular wires, like cumulene or polyyne, provide a model for interconnecting molecular electronics circuit. In the recent experiment, the appearance of carbon wire bridging two-dimensional electrodes - graphene…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Jariyanee Prasongkit , Anton Grigoriev , Rajeev Ahuja

We present a rigorous photonic mode model to describe the strong coupling between a monolayer of $\rm MoSe_2$ and a single gold nanoparticle. The onset of strong coupling is quantified by computing the three-dimensional hybrid quasinormal…

Carbon nanotubes (CNTs - long tubular carbon nanostructures) belong to the best electron field emitting materials. Based on the experimentally determined electron density in the dual hot filament/DC plasma deposition system the electric…

Plasma Physics · Physics 2007-05-23 J. Blazek , P. Spatenka , Ch. Taeschner , A. Leonhardt

Networks of coupled resonators are an ubiquitous concept in physics, forming the basis of synchronization phenomena, metamaterial formation, nonreciprocal behavior and topological effects. Such systems are typically explored using optical…

Mesoscale and Nanoscale Physics · Physics 2019-12-03 Juliane Doster , Simon Hoenl , Heribert Lorenz , Philipp Paulitschke , Eva M. Weig

We report on a simple method to fabricate high-frequency nanotube mechanical resonators reproducibly. We measure resonance frequencies as high as 4.2 GHz for the fundamental eigenmode and 11 GHz for higher order eigenmodes. The…

Mesoscale and Nanoscale Physics · Physics 2012-07-23 J. Chaste , M. Sledzinska , M. Zdrojek , J. Moser , A. Bachtold

High pressure Raman experiments were performed on bundled double wall carbon nanotubes (DWCNTs). We observe peculiar regularity in the strength of the inner-outer tube (intratube) interaction, which is attributed to the interplay between…

Materials Science · Physics 2007-05-23 J. Arvanitidis , D. Christofilos , K. Papagelis , T. Takenobu , Y. Iwasa , H. Kataura , S. Ves , G. A. Kourouklis

Suspended carbon nanotubes hosting electrostatically defined quantum dots allow for exceptionally strong and tunable electromechanical coupling as well as mechanical modes that can reach the quantum ground state of motion simply by…

Quantum Physics · Physics 2025-11-05 David Ullrich , Marta Cagetti , Stefan Forstner , Adrian Bachtold , Anna Sanpera

The study of resonant dielectric nanostructures with high refractive index is a new research direction in nanoscale optics and metamaterial-inspired nanophotonics. Because of the unique optically-induced electric and magnetic Mie…

The advancements of nanomaterials or nanostructures have enabled the possibility of fabricating multifunctional materials that hold great promises in engineering applications. The carbon nanotube (CNT)-based nanostructure is one…

Computational Physics · Physics 2015-05-22 Haifei Zhan , John M. Bell , Yuantong Gu

The transport properties of a CNT capacitively coupled to a molecule vibrating along one of its librational modes are studied and its transport properties analyzed in the presence of an STM tip. We evaluate the linear charge and thermal…

Mesoscale and Nanoscale Physics · Physics 2013-09-12 F. Remaggi , N. Traverso Ziani , G. Dolcetto , F. Cavaliere , M. Sassetti

Calculations of the conductance of a carbon nanotube (CNT)-molecule-CNT structure are in agreement with experimental measurements [1]. The features in the transmission correspond directly to the features of the isolated molecular orbitals.…

Other Condensed Matter · Physics 2015-05-13 Nicolas A. Bruque , M. K. Ashraf , Roger K. Lake

We investigate quantum transport in aligned carbon nanotube (CNT) fibers fabricated via solution spinning, focusing on the roles of structural dimensionality and quantum interference effects. The fibers exhibit metallic behavior at high…

The ability to tune the thermal resistance of carbon nanotube mechanical supports from insulating to conducting could permit the next generation of thermal management devices. Here, we demonstrate fabrication techniques for carbon nanotube…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Kamal H. Baloch , Norvik Voskanian , John Cumings

Recent advances in nanotechnology have provided new materials which have the potential to surpass copper and aluminum alloys in electrical conductivity, weight and ampacity [2-6]. Among these carbon nanotubes (CNTs) stand out due to their…

Applied Physics · Physics 2020-08-28 Farhad Daneshvar , Hung-Jue Sue

Motivated by recent experiments, we investigate the electron-vibron coupling in suspended carbon nanotube quantum dots, starting with the electron-phonon coupling of the underlying graphene layer. We show that the coupling strength depends…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Eros Mariani , Felix von Oppen

Nanotubes behave as semi-flexible polymers in that they can bend by a sizeable amount. When integrating a nanotube in a mechanical resonator, the bending is expected to break the symmetry of the restoring potential. Here we report on a new…

Mesoscale and Nanoscale Physics · Physics 2013-11-27 A. Eichler , J. Moser , M. I. Dykman , A. Bachtold

We report the calculation of paraconductivity in carbon nanotubes above the superconducting transition temperature. The complex behavior of paraconductivity depending upon the tube radius, temperature and magnetic field strength is…

Superconductivity · Physics 2009-11-07 D. V. Livanov , A. A. Varlamov

We perform analysis of the band structure, phonon dispersion, and electron-phonon interactions in three types of small-radius carbon nanotubes. We find that the (5,5) can be described well by the zone-folding method and the electron-phonon…

Superconductivity · Physics 2009-11-10 Ryan Barnett , Eugene Demler , Efthimios Kaxiras

Single walled carbon nanotubes (SWNT) have displayed a wealth of quantum transport phenomena thus far. Defect free, unperturbed SWNTs with wellbehaved or tunable metal contacts are important to probing the intrinsic electrical properties of…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Jien Cao , Qian Wang , Hongjie Dai