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This study is focused on the mechanical properties and stress transfer behavior of multiscale composites containing nano- and micro-scale reinforcements. The distinctive feature of construction of this composite is such that the carbon…

Computational Physics · Physics 2017-02-06 S. I. Kundalwal , S. Kumar

The electrical conductivity of metallic carbon nanotubes (CNTs) quickly saturates with respect to bias voltage due to scattering from a large population of optical phonons. Decay of these dominant scatterers in pristine CNTs is too slow to…

Materials Science · Physics 2017-04-05 Andrij Vasylenko , Jamie Wynn , Paulo Medeiros , Andrew J. Morris , Jeremy Sloan , David Quigley

We describe a method to fabricate clean suspended single-wall carbon nanotube (SWCNT) transistors hosting a single quantum dot ranging in length from a few 10s of nm down to $\approx$ 3 nm. We first align narrow gold bow-tie junctions on…

Mesoscale and Nanoscale Physics · Physics 2012-08-15 J. O. Island , V. Tayari , S. Yigen , A. C. McRae , A. R. Champagne

The behavior of nanostructures under high strain-rate conditions has been object of theoretical and experimental investigations in recent years. For instance, it has been shown that carbon and boron nitride nanotubes can be unzipped into…

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…

Ability to encapsulate molecules is one of the outstanding features of nanotubes. The encapsulation alters physical and chemical properties of both nanotubes and guest species. The latter normally form a separate phase, exhibiting…

Materials Science · Physics 2014-07-23 Vitaly Chaban , Oleg Prezhdo

Based on the van der Waals interaction, the periodically nonlinear potential of a singe-walled carbon nanotube (SWNT) with finite length in an infinite length SWNT is analytically obtained. It is found that the inner SWNT can oscillate in…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Z. C. Tu , Z. C. Ou-Yang

Carbon nanotubes (CNTs) are well known for their exceptional thermal, mechanical and electrical properties. For many CNT applications it is of the foremost importance to know their frictional properties. However, very little is known about…

Materials Science · Physics 2015-07-20 Marcel Lucas , Xiaohua Zhang , Ismael Palaci , Christian Klinke , Erio Tosatti , Elisa Riedo

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

The recently found material graphene is a truly two-dimensional crystal and exhibits, in addition, an extreme mechanical strength. This in combination with the high electron mobility favours graphene for electromechanical investigations…

Mesoscale and Nanoscale Physics · Physics 2012-03-20 T. Mashoff , M. Pratzer , V. Geringer , T. J. Echtermeyer , M. C. Lemme , M. Liebmann , M. Morgenstern

Photonic signal processing requires efficient on-chip light sources with higher modulation bandwidths. Todays conventional fastest semiconductor diode lasers exhibit modulation speeds only on the order of a few tens of GHz due to gain…

Nanoscrolls (papyrus-like nanostructures) are very attractive structures for a variety of applications, due to their tunable diameter values and large accessible surface area. They have been successfully synthesized from different…

Materials Science · Physics 2019-06-05 Eric Perim , Douglas S. Galvao

This work presents a model that successfully describes the tensile properties of macroscopic fibres of carbon nanotubes (CNTs). The core idea is to treat such a fibre as a network of CNT bundles, similar to the structure of high-performance…

Materials Science · Physics 2019-03-01 J. C. Fernández-Toribio , B. Alemán , A. Ridruejo , J. J. Vilatela

Carbon nanoscroll is a unique topologically open configuration of graphene nanoribbon possessing outstanding properties and application perspectives due to its morphology. However molecular dynamics study of nanoscrolls with more than a few…

Mesoscale and Nanoscale Physics · Physics 2015-07-15 Alexander V. Savin , Elena A. Korznikova , Sergey V. Dmitriev

Carbon nanotubes (CNTs) are promising candidates to improve the thermal conductivity of nano-composites. The main obstacle to these applications is the extremely high thermal boundary (Kapitza) resistance between the CNTs and their matrix.…

Mesoscale and Nanoscale Physics · Physics 2024-04-11 K. G. S. H. Gunawardana , Kieran Mullen

High-density carbon nanotube networks (CNNs) continue to attract interest as active elements in nanoelectronic devices, nanoelectromechanical systems (NEMS) and multifunctional nanocomposites. The interplay between the network nanostructure…

Mesoscale and Nanoscale Physics · Physics 2011-08-11 Myung Gwan Hahm , Hailong Wang , Hyunyoung Jung , Sanghyun Hong , Sung-Goo Lee , Sung-Ryong Kim , Moneesh Upmanyu , Yung Joon Jung

We demonstrate a new method to deposit carbon nanotubes (CNT) on optical fibers based on a syringe-loaded CNT solution axially aligned to the fiber tip. A laser generates an optical tweezer in a water-based CNT solution, depositing…

Optics · Physics 2025-12-10 Ricardo E. da Silva , Cristiano M. B. Cordeiro

Achieving high charge carrier mobility is the holy grail of organic electronics. In this letter we report a record charge carrier mobility of 14.93 cm$^2$ V$^{-1}$s$^{-1}$ through a coronene stack encapsulated in a single walled carbon…

Soft Condensed Matter · Physics 2017-12-13 Saientan Bag , Prabal K. Maiti

We propose a microscopic model for a nanoelectromechanical system made by a radio-frequency driven suspended carbon nanotube (CNT) in the presence of an external magnetic field perpendicular to the current. As a main result, we show that,…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 A. Nocera , C. A. Perroni , V. Marigliano Ramaglia , G. Cantele , V. Cataudella

Fibres of ultralong and aligned carbon nanotubes (CNT) have axial properties above reference engineering materials, proving to be exceptional materials for application in structural composites, energy storage and other devices. For CNT…

Materials Science · Physics 2021-05-07 Anastasiia Mikhalchan , María Vila , Luis Arévalo , Juan J. Vilatela