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The heat flux autocorrelation functions of carbon nanotubes (CNTs) with different radius and lengths is calculated using equilibrium molecular dynamics. The thermal conductance of CNTs is also calculated using the Green-Kubo relation from…

Materials Science · Physics 2009-11-10 Zhenhua Yao , Jian-Sheng Wang , Baowen Li , Gui-Rong Liu

Physisorption studies and transmission electron microscopy have been used to characterise multi-walled carbon nanotubes (MWNTs) made by a template-synthesis technique. Microscopic investigations revealed formation of 'branched nanotubes'…

Chemical Physics · Physics 2023-05-10 M. -R. Babaa , E. Mcrae , Sandrine Delpeux , J. Ghanbaja , F. Valsaque , F. Béguin

Carbon nanotubes are nano-objects with quite anisotropic properties, for example the mechanical properties in longitudinal and radial directions differ significantly. This feature of the carbon nanotubes yields many interesting phenomena…

Mesoscale and Nanoscale Physics · Physics 2023-10-26 Alexander V. Savin , Margarita Kovaleva

The charge transport properties of single superconducting tin nanowires, encapsulated by multiwalled carbon nanotubes have been investigated by multi-probe measurements. The multiwalled carbon nanotube protects the tin nanowire from…

A suspended carbon nanotube can act as a nanoscale resonator with remarkable electromechanical properties and the ability to detect adsorption on its surface at the level of single atoms. Understanding adsorption on nanotubes and other…

Mesoscale and Nanoscale Physics · Physics 2012-09-05 Zenghui Wang , Jiang Wei , Peter Morse , J. Gregory Dash , Oscar E. Vilches , David H. Cobden

Heat conduction in 1-dimensional anharmonic systems is anomalous in the sense that the conductivity \kappa scales with a positive power of the system size, \kappa ~ L^\alpha. In two dimensions, previous simulations and theoretical arguments…

Statistical Mechanics · Physics 2007-05-23 P. Grassberger , L. Yang

In this paper heat transport in carbon nanotubes is investigated. When the dimension of the structure is of the order of the de Broglie wave length transport phenomena must be analysed by quantum mechanics. In this paper we derived the…

Other Condensed Matter · Physics 2007-05-23 Miroslaw Kozlowski , Janina Marciak-Kozlowska

We show that it is possible to detect mechanical bending modes on 1 micron long ropes of single walled-carbon nanotubes suspended between 2 metallic contacts. This is done by measuring either their dc resistance in a region of strong…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 B. Reulet , A. Yu. Kasumov , M. Kociak , R. Deblock , I. I. Khodos , Yu. B. Gorbatov , V. T. Volkov , C. Journet , H. Bouchiat

In this paper the heat transport in carbon nanotubes is investigated. When the dimension of the structure is of the order of the de Broglie wave length the transport phenomena must be analyzed within quantum mechanics. In this paper we…

Other Condensed Matter · Physics 2016-08-31 J. Marciak-Kozlowska , M. Kozlowski

Experiments and computer simulations demonstrate that water spontaneously fills the hydrophobic cavity of a carbon nanotube. To gain a quantitative thermody- namic understanding of this phenomenon, we use the recently developed Two Phase…

Mesoscale and Nanoscale Physics · Physics 2011-08-22 Hemant Kumar , Biswaroop Mukherjee , Shiang-Tai Lin Chandan Dasgupta , A. K. Sood , Prabal K. Maiti

We report a comparative ab-initio study of different types of adsorbates and their adsorption mechanism on the field-emission performance of single-walled carbon nanotubes by analyzing electrical properties and transport characteristics and…

Materials Science · Physics 2019-02-15 Ehsanur Rahman , Alireza Nojeh

Wavelength-dependent pump-probe spectroscopy of micelle-suspended single-walled carbon nanotubes reveals two-component dynamics. The slow component (5-20 ps), which has not been observed previously, is resonantly enhanced whenever the pump…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 G. N. Ostojic , S. Zaric , J. Kono , M. S. Strano , V. C. Moore , R. H. Hauge , R. E. Smalley

Conductance measurements of carbon nanotubes containing gated local depletion regions exhibit plateaus as a function of gate voltage, spaced by approximately e2/h, the quantum of conductance for a single (non-degenerate) mode. Plateau…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 M. J. Biercuk , N. Mason , J. Martin , A. Yacoby , C. M. Marcus

We measure the conductivity spectra of thin films comprising bundled single-walled carbon nanotubes (CNTs) of different average lengths in the frequency range 0.3-1000 THz and temperature interval 10-530 K. The observed temperature-induced…

Near-infrared magneto-optical spectroscopy of single-walled carbon nanotubes reveals two absorption peaks with an equal strength at high magnetic fields ($>$ 55 T). We show that the peak separation is determined by the Aharonov-Bohm phase…

It is found that the magnetization curves of samples of fragments of cathode carbon deposits with a high content of multiwalled nanotubes exhibit a pronounced irreversible character, attesting to the induction of persistent currents in the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 V. I. Tsebro , O. E. Omelyanovskii , A. P. Moravskii

The dependence of the interwall conductance on distance between walls and relative positions of walls are calculated at the low voltage by Bardeen method for (n,n)@(2n,2n) double-walled carbon nanotubes (DWCNTs) with n = 5, 6, ..., 10. The…

Mesoscale and Nanoscale Physics · Physics 2010-04-26 N. A. Poklonski , Nguyen Ngoc Hieu , E. F. Kislyakov , S. A. Vyrko , A. I. Siahlo , A. M. Popov , Yu. E. Lozovik

A suspended, doubly clamped single wall carbon nanotube is characterized as driven nano-electromechanical resonator at cryogenic temperatures. Electronically, the carbon nanotube displays small bandgap behaviour with Coulomb blockade…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 P. L. Stiller , S. Kugler , D. R. Schmid , C. Strunk , A. K. Huettel

We combine electromechanical measurements with {\em ab initio} density functional calculations to settle the controversy about the origin of torsion-induced conductance oscillations in multi-wall carbon nanotubes. According to our…

Poor screening of the long-range Coulomb interaction in one-dimensional carbon nanotubes results in a peculiar picture of contact phenomena. Being brought to a contact with a metal, conducting nanotube accumulates electric charge whose…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Arkadi A. Odintsov , Yasuhiro Tokura
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