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Related papers: Nematic Anchoring on Carbon Nanotubes

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We demonstrate solution processable large area field effect transistors (FETs) from aligned arrays of carbon nanotubes (CNTs). Commercially available, surfactant free CNTs suspended in aqueous solution were aligned between source and drain…

Materials Science · Physics 2009-11-13 Paul Stokes , Eliot Silbar , Yashira M. Zayas , Saiful I. Khondaker

We derive an effective low-energy theory for metallic (armchair and non-armchair) single-wall nanotubes in the presence of an electric field perpendicular to the nanotube axis, and in the presence of magnetic fields, taking into account…

Mesoscale and Nanoscale Physics · Physics 2011-11-15 Jelena Klinovaja , Manuel J. Schmidt , Bernd Braunecker , Daniel Loss

We study the optical properties of gold nanoparticles coated with a nematic liquid crystal whose director field is distributed around the nanoparticle according to the anchoring conditions at the surface of the nanoparticle. The…

An external magnetic field is found to have strong effects on the electronic structure of carbon nanotubes. A field-induced metal-insulator transition is predicted for all pure nanotubes. In a weak field, nanotubes exhibit both large…

Condensed Matter · Physics 2009-10-22 Jian Ping Lu

Electronic properties of metallic and semiconducting carbon nanotubes are investigated in presence of magnetic field perpendicular to the CN-axis, and disorder introduced through energy site randomness. The magnetic field field is shown to…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Stephan Roche , Riichiro Saito

Carbon nanotube (CNT) fibres are firmly established as a new high-performance fibre, but their tensile mechanical properties remain a relatively small fraction of those of the constituent CNTs. Clear structure-property relations and…

Applied Physics · Physics 2020-08-05 J. C. Fernández-Toribio , A. Mikhalchan , C. Santos , A. Ridruejo , J. J. Vilatela

We experimentally demonstrate laser-driven deposition of single-walled carbon nanotubes (CNTs) in suspended core fibers (SCFs) for the first time. Two samples for each SCF type with three (SCF1) and four (SCF2) air holes are individually…

The existence of bound state of the polarizable neutral atom in the inverse square potential created by the electric field of single walled charged carbon nanotube (SWNT) is shown to be theoretically possible. The consideration of…

Materials Science · Physics 2008-11-26 Pulak Ranjan Giri

The empirical data in conjunction with the quantum mechanical calculations show that the strength enhancement in the cement-carbon nanotubes (CNTs) composites is the courtesy of electrostatic potential energy. This is contrary to the…

Applied Physics · Physics 2019-08-15 Muhammad Azeem , Muhammad Azhar Saleem

We present a mechanism to improve the conductivity of carbon nanotube (CNT) networks by improving the conductance between CNTs of different chirality. We argue generally that a weak perturbation can greatly improve the inter-tube…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Robert A. Bell , Michael C. Payne , Arash A. Mostofi

We report on the anisotropic response, the charge and lattice dynamics of normal and charge-ordered phases with horizontal stripes in single crystals of the organic conductor alpha-(BEDT-TTF)2I3 determined by dc resistivity, dielectric and…

Strongly Correlated Electrons · Physics 2015-05-20 T. Ivek , B. Korin-Hamzić , O. Milat , S. Tomić , C. Clauss , N. Drichko , D. Schweitzer , M. Dressel

The thermal radiation from an isolated finite-length carbon nanotube (CNT) is theoretically investigated both in near- and far-field zones. The formation of the discrete spectrum in metallic CNTs in the terahertz range is demonstrated due…

Mesoscale and Nanoscale Physics · Physics 2007-10-09 A. M. Nemilentsau , G. Ya. Slepyan , S. A. Maksimenko

In recent experiments, unprecedentedly large values for the conductivity of electrolytes through carbon nanotubes (CNTs) have been measured, possibly owing to flow slip and a high pore surface charge density whose origin is still unknown.…

Soft Condensed Matter · Physics 2023-07-25 Théo Hennequin , Manoel Manghi , Adrien Noury , Francois Henn , Vincent Jourdain , John Palmeri

Based on the non-equilibrium molecular dynamics simulations, we have studied the thermal conductivities of a novel ultra-thin one-dimensional carbon nanomaterial - diamond nanothread (DNT). Unlike single-wall carbon nanotube (CNT), the…

Materials Science · Physics 2015-11-06 Haifei Zhan , Gang Zhang , Yingyan Zhang , V. B. C. Tan , John M. Bell , Yuantong Gu

Carbon nanotube (CNT) wires approach copper's specific conductivity and surpass carbon fiber's strength, with further improvement anticipated with greater aspect ratios and incorporation of dopants with long-range structural order.…

A nanoscopic simulation for an acceleration sensor is aimed based on the piezoresistive effect of carbon nanotubes (CNTs). Therefore, a compact model is built from density functional theory (DFT), compared with results of molecular dynamics…

Mesoscale and Nanoscale Physics · Physics 2017-07-04 C. Wagner , S. Hartmann , B. Wunderle , J. Schuster , S. E. Schulz , T. Gessner

Combining a classical force field, a tight-binding model, and first-principles calculations, we have studied structural, electronic, and optical properties of double-walled carbon nanotube (DWNT) bundles under hydrostatic pressure. We find…

Materials Science · Physics 2009-11-13 Xiaoping Yang , Gang Wu

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

In this work we use density functional theory (DFT) calculations to benchmark empirical potentials for the interaction between nickel and sp$^2$ bonded carbon nanoparticles. These potentials are then used in order to investigate how Ni…

Materials Science · Physics 2019-10-02 Samaneh Nasiri , Kai Wang , Mingjun Yang , Qianqian Li , Michael Zasier

Experimental evidences reported in this letter show that the gas ionization induced positive charge accumulation can lead to the electron field emission from carbon nanotubes (CNTs) in an electrode system with proper range of gap spacing,…

Plasma Physics · Physics 2012-10-19 Changhua Zhan , Zhongyu Hou