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The electronic transport properties of a metallic carbon nanotube with the five-seven disclination pair characterized by a lattice distortion vector are investigated. The influence of the disclination dipole includes induced curvature and…

Materials Science · Physics 2015-05-14 D. V. Kolesnikov , V. A. Osipov

This work represents the first electro-thermal study of metallic single-wall carbon nanotubes (SWNTs) for interconnect applications. Experimental data and careful modeling reveal that self-heating is of significance in short (1 < L < 10 um)…

Mesoscale and Nanoscale Physics · Physics 2016-11-15 Eric Pop , David Mann , John Reifenberg , Kenneth Goodson , Hongjie Dai

Superconductivity can be understood in terms of a phase transition from an uncorrelated electron gas to a condensate of Cooper pairs in which the relative phases of the constituent electrons are coherent over macroscopic length scales. The…

Superconductivity · Physics 2018-01-03 Alberto Ronzani , Carles Altimiras , Sophie D'Ambrosio , Pauli Virtanen , Francesco Giazotto

A microscopic approach is developed to account for the magnitudes of the supercurrents observed experimentally in carbon nanotubes placed between superconducting contacts. We build up a model for the nanotube ropes encompassing the electron…

Strongly Correlated Electrons · Physics 2009-11-10 J. Gonzalez

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 temperature dependence of d-wave superconducting order for two dimensional fermions with d-wave attraction is investigated by means of the functional renormalization group with partial bosonization. Below the critical temperature T_c we…

Strongly Correlated Electrons · Physics 2008-11-26 H. C. Krahl , C. Wetterich

We have measured Coulomb drag between an individual single-walled carbon nanotube (SWNT) as a one-dimensional (1D) conductor and the two-dimensional (2D) conductor monolayer graphene, separated by a few-atom-thick boron nitride layer. The…

Mesoscale and Nanoscale Physics · Physics 2021-12-15 Laurel E. Anderson , Austin Cheng , Takashi Taniguchi , Kenji Watanabe , Philip Kim

We calculate analytically the phase diagram of a two-dimensional square crystal and its wrapped version with defects under external homogeneous stress as a function of temperature using a simple elastic lattice model that allows for defect…

Soft Condensed Matter · Physics 2013-05-29 J. Dietel , H. Kleinert

We characterize the response of isolated single- (SWNT) and multi-wall (MWNT) carbon nanotubes and bundles to static electric fields using first-principles calculations and density-functional theory. The longitudinal polarizability of SWNTs…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Boris Kozinsky , Nicola Marzari

Carbon nanotube with electric fluxes confined in one dimension is studied. We show that a Coulomb interaction \propto |x| leads to a confinement phase with many properties similar to QCD in 4D. Low-energy physics is described by the massive…

Strongly Correlated Electrons · Physics 2023-03-07 Takashi Oka

The effects of multiwalled carbon nanotubes (NTs) on low-temperature phase transformations in 5CB were studied by means of differential scanning calorimetry (DSC), low-temperature photoluminescence and measurements of electrical…

Soft Condensed Matter · Physics 2015-06-15 N. Lebovka , V. Melnyk , Ye. Mamunya , G. Klishevich , A. Goncharuk , N. Pivovarova

We investigate the thermal conductivity of four types of deformed carbon nanotubes by using the nonequilibrium molecular dynamics method. It is reported that various deformations have different influence on the thermal properties of carbon…

Mesoscale and Nanoscale Physics · Physics 2015-05-30 Wei-Rong Zhong , Mao-Ping Zhang , Dong-Qin Zheng , Bao-Quan Ai

Single crystalline FeTe$_{0.61}$Se$_{0.39}$ with a sharp superconducting transition at $T_{\textrm{c}} \sim$ 14 K is synthesized via slow furnace cooling followed by low-temperature annealing. The effect of annealing on the chemical and…

Superconductivity · Physics 2015-05-13 T. Taen , Y. Tsuchiya , Y. Nakajima , T. Tamegai

We performed first principles calculations on work functions of single wall carbon nanotubes (SWNTs), which can be divided into two classes according to tube diameter (D). For class I tubes (D > 1 nm), work functions lie within a narrow…

Materials Science · Physics 2009-11-11 Bin Shan , Kyeongjae Cho

We observe superconductivity below a critical temperature TC = 1.8 K in single-crystal Ir3Te8, which also exhibits normal-state diamagnetism and a linear temperature dependence of electrical resistivity for a wide temperature interval, 20 K…

The electrical and optical response of a field-effect device comprising a network of semiconductor-enriched single-wall carbon nanotubes, gated with sodium chloride solution is investigated. Field-effect is demonstrated in a device that…

Mesoscale and Nanoscale Physics · Physics 2010-09-24 Manu Jaiswal , C. S. Suchand Sangeeth , Wei Wang , Ya-Ping Sun , Reghu Menon

Low field and high field transport properties of carbon nanotubes/polymer composites are investigated for different tube fractions. Above the percolation threshold f_c=0.33%, transport is due to hopping of localized charge carriers with a…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 J. M. Benoit , B. Corraze , O. Chauvet

We study the evolution of conductance regimes in carbon nanotubes with doubly degenerate orbitals (``shells'') by controlling the contact transparency within the same sample. For sufficiently open contacts, Kondo behavior is observed for 1,…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 A. Makarovski , J. Liu , G. Finkelstein

Cavity optomechanics allows the characterization of a vibration mode, its cooling and quantum manipulation using electromagnetic fields. Regarding nanomechanical as well as electronic properties, single wall carbon nanotubes are a…

Mesoscale and Nanoscale Physics · Physics 2020-04-06 Stefan Blien , Patrick Steger , Niklas Hüttner , Richard Graaf , Andreas K. Hüttel

The temperature-dependent transverse mechanical properties of single-walled nanotubes are studied using a molecular mechanics approach. The stretching and bond angle force constants describing the mechanical behaviour of the sp^{2} bonds…

Atomic and Molecular Clusters · Physics 2015-05-19 Fabrizio Scarpa , Luca Boldrin , Hua-Xin Peng , Chrystel Remillat , Sondipon Adhikari