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Calculating the density-density correlation function for disordered wires, we study localization properties of wave functions in a magnetic field. The supersymmetry technique combined with the transfer matrix method is used. It is…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. V. Kolesnikov , K. B. Efetov

Recent experiments about the low temperature behaviour of a Single Wall Carbon Nanotube (SWCNT) showed typical Coulomb Blockade (CB) peaks in the zero bias conductance and allowed us to investigate the energy levels of interacting…

Strongly Correlated Electrons · Physics 2009-11-11 S. Bellucci , P. Onorato

We show that a model of interacting electrons in one dimension is able to explain the order of magnitude as well as the temperature dependence of the critical supercurrents recently measured in nanotube samples placed between…

Strongly Correlated Electrons · Physics 2009-11-07 J. Gonzalez

Using inhomogeneous Bogoliubov-de Gennes formalism we study superconducting properties of bundles of single wall carbon nanotubes, consisting of a mixture of metallic and semiconducting nanotubes, having different critical transition…

Superconductivity · Physics 2011-09-15 Ilya Grigorenko , Anvar Zakhidov

Jeong-O Lee et al. [Phy. Rev. B, 61, R16 362 (2000)] reported magnetoresistance and differential conductance measurements of multiwalled carbon nanotubes. The observed aperiodic conductance fluctuations and the negative magnetoresistance…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 C. Schonenberger , A. Bachtold

A nanoelectromechanical weak link composed of a carbon nanotube suspended between two normal electrodes in a gap between two superconducting leads is considered. The nanotube is treated as a movable single-level quantum dot in which the…

Mesoscale and Nanoscale Physics · Physics 2022-06-09 O. M. Bahrova , S. I. Kulinich , L. Y. Gorelik , R. I. Shekhter , H. C. Park

We investigate the molecular sensing properties of carbon nanotube-boron nitride-carbon nanotube (CNT-BN-CNT) junctions. We demonstrate that the electrical conductance of such a junction changes in response to the binding of an analyte…

Mesoscale and Nanoscale Physics · Physics 2016-01-05 Laith Algharagholy , Thomas Pope , Qusiy Al-Galiby , Hatef Sadeghi , Steve W. D. Bailey , Colin J. Lambert

Motivated by recent experiments on electronic transport through a carbon nanotube, we investigate the role of the intra- and inter-orbital Coulomb interactions on the temperature evolution of the conductance. It is shown that small amount…

Mesoscale and Nanoscale Physics · Physics 2012-10-24 Haruka Oguchi , Nobuhiko Taniguchi

Magnetotransport measurements in large diameter multiwall carbon nanotubes (20-40 nm) demonstrate the competition of a magnetic-field dependent bandstructure and Altshuler-Aronov-Spivak oscillations. By means of an efficient capacitive…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 B. Stojetz , S. Roche , C. Miko , F. Triozon , L. Forro , C. Strunk

This paper is devoted to the temperature dependence of the resistivity in Si- MOS samples over the wide range of densities in the ``metallic phase'' (n>n_c) but not too close to the critical density n_c. Three domains of different behavior…

Strongly Correlated Electrons · Physics 2007-05-23 B. L. Altshuler , G. W. Martin , D. L. Maslov , V. M. Pudalov , A. Prinz , G. Brunthaler , G. Bauer

Measurements of the static magnetic susceptibility and of the nuclear magnetic resonance of multiwalled vanadium-oxide nanotubes are reported. In this nanoscale magnet the structural low-dimensionality and mixed valency of vanadium ions…

Strongly Correlated Electrons · Physics 2009-11-11 E. Vavilova , I. Hellmann , V. Kataev , C. Taeschner , B. Buechner , R. Klingeler

This paper examines the effect of temperature on the structural stability and mechanical properties of 20 layered (10,10) single walled carbon nanotubes (SWCNTs) under tensile loading using an O(N) tight binding molecular dynamics (TBMD)…

Materials Science · Physics 2009-11-13 G. Dereli , B. Sungu

We present the results of analytical study and Molecular Dynamics simulation of low energy nonlinear non-stationary dynamics of single-walled carbon nanotubes (CNTs). New phenomena of intensive energy exchange between different parts of CNT…

Mesoscale and Nanoscale Physics · Physics 2014-12-30 Valeri V. Smirnov , Leonid I. Manevitch , Matteo Strozzi , Francesco Pelicano

We investigate linear and nonlinear transport across single-walled carbon nanotube quantum dots weakly coupled to spin-polarized leads. We consider tubes of finite length and small diameter, where not only forward scattering contributions…

Mesoscale and Nanoscale Physics · Physics 2010-03-29 Christoph Schenke , Sonja Koller , Leonhard Mayrhofer , Milena Grifoni

We present data of transport measurements through a metallic nanobridge exhibiting diffusive electron transport. A logarithmic temperature dependence and a zero-bias anomaly in the differential conductance are observed, independent of…

Mesoscale and Nanoscale Physics · Physics 2020-04-20 H. B. Weber , R. Häussler , H. v. Löhneysen , J. Kroha

Low-temperature transport spectroscopy measurements on a quantum dot lithographically defined in a multiwall $\mathrm{MoS}_2$ nanotube are demonstrated. At $T=300\,\mathrm{mK}$, clear Coulomb blockade is observed, with charging energies in…

Mesoscale and Nanoscale Physics · Physics 2019-11-12 Simon Reinhardt , Luka Pirker , Christian Bäuml , Maja Remškar , Andreas K. Hüttel

Strain rate and temperature dependence of the tensile strength of single-walled carbon nanotubes has been investigated with molecular dynamics simulations. The tensile failure or yield strain is found to be strongly dependent on the…

Condensed Matter · Physics 2009-11-07 Chenyu Wei , Kyeongjae Cho , Deepak Srivastava

We measured the complex dielectric constant in mats of single-wall carbon-nanotubes between 2.7 K and 300 K up to 0.5 THz. The data are well understood in a Drude approach with a negligible temperature dependence of the plasma frequency…

Soft Condensed Matter · Physics 2009-10-31 O. Hilt , H. B. Brom , M. Ahlskog

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

Combining equilibrium and non-equilibrium molecular dynamics simulations with accurate carbon potentials, we determine the thermal conductivity $\lambda$ of carbon nanotubes and its dependence on temperature. Our results suggest an…

Materials Science · Physics 2009-10-31 Savas Berber , Young-Kyun Kwon , David Tomanek