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Using carbon nanotubes (CNTs) produced by chemical vapor deposition, we have explored different strategies for the preparation of carbon nanotube devices suited for electrical and mechanical measurements. Though the target device is a…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 B. Babic , J. Furer , M. Iqbal , C. Schonenberger

The molecular dynamics method, based on an empirical potential energy surface, was used to study the effect of catalyst particle size on the growth mechanism and structure of single-walled carbon nanotubes (SWNTs). The temperature for…

Materials Science · Physics 2009-11-11 Feng Ding , Arne Rosen , Kim Bolton

Nanometer thin single-walled carbon nanotube (CNT) films collected from the aerosol chemical deposition reactors have gathered attention for their promising applications. Densification of these pristine films provides an important way to…

We use classical molecular dynamics simulations to study the collapse of single (SWNT) and double-walled (DWNT) carbon nanotube bundles under hydrostatic pressure. The collapse pressure (pc) varies as 1/R^3, where R is the SWNT radius or…

Other Condensed Matter · Physics 2009-11-11 Vikram Gadagkar , Prabal K. Maiti , Yves Lansac , A. Jagota , A. K. Sood

Nanoscale biosystems are widely used in numerous medical applications. The approaches for structure and function of the nanomachines that are available in the cell (natural nanomachines) are discussed. Molecular simulation studies have been…

Biological Physics · Physics 2016-09-08 Babu A Manjasetty , T. R. Gopalakrishnan Nair , Y. S. Ramaswamy

Carbon nanotubes (CNT) have been recently proposed as stabilizers against grain growth that can happen even at low temperature inputs in nano-crystalline and ultrafine-grained materials obtained by severe plastic deformation. In this study,…

A mechanically bistable single-walled carbon nanotube can act as a variable-shaped capacitor with a voltage-controlled transition between collapsed and inflated states. This external control parameter provides a means to tune the system so…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Oleg E. Shklyaev , Eric Mockensturm , Vincent H. Crespi

We report a method for probing electromechanical properties of multiwalled carbon nanotubes(CNTs). This method is based on AFM measurements on a doubly clamped suspended CNT electrostatically deflected by a gate electrode. We measure the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 R. Lefevre , M. F. Goffman , V. Derycke , C. Miko , L. Forro , J. P. Bourgoin , P. Hesto

The unique topology and exceptional properties of carbon nanoscrolls (CNSs) have inspired unconventional nano-device concepts, yet the fabrication of CNSs remains rather challenging. Using molecular dynamics simulations, we demonstrate the…

Mesoscale and Nanoscale Physics · Physics 2011-11-21 Zhao Zhang , Teng Li

We study the structural and electronic properties of isolated single-wall carbon nanotubes (SWNTs) under hydrostatic pressure using a combination of theoretical techniques: Continuum elasticity models, classical molecular dynamics…

Other Condensed Matter · Physics 2009-11-10 Rodrigo B. Capaz , Catalin D. Spataru , Paul Tangney , Marvin L. Cohen , Steven G. Louie

Applications based on Single Walled Carbon Nanotube (SWNT) are good example of the great need to continuously develop metrology methods in the field of nanotechnology. Contact and interface properties are key parameters that determine the…

Mesoscale and Nanoscale Physics · Physics 2012-01-23 Julien Buchoux , Ludovic Bellon , Sophie Marsaudon , Jean-Pierre Aimé

Carbon nanotubes (CNTs) are currently considered a successor to silicon in future nanoelectronic devices. To realize this, controlled growth of defect-free nanotubes is required. Until now, the understanding of atomic-scale CNT growth…

Materials Science · Physics 2023-03-16 Daniel Hedman , Ben McLean , Christophe Bichara , Shigeo Maruyama , J. Andreas Larsson , Feng Ding

Encapsulating low-dimensional magnetic materials within carbon nanotubes (CNTs) offers a compelling route to stabilize unconventional magnetic states and engineer quantum functionalities at the limit of miniaturization. In this work, we…

Materials Science · Physics 2025-10-21 Diego López-Alcalá , Alberto M. Ruiz , Andrei Shumilin , José J. Baldoví

The mechanical properties of the so-called `super' carbon nanotubes (STs) are investigated using classical molecular dynamics simulations. The STs are built from single walled carbon nanotubes (SWCNTs) connected by Y-like junctions forming…

Materials Science · Physics 2009-11-13 Vitor R. Coluci , Nicola M. Pugno , Socrates O. Dantas , Douglas S. Galvao , Ado Jorio

Carbon nanotubes (CNTs) have attracted increasing attention because of their unique structural, mechanical, and electronic properties. Surface chemistry modifications are also useful and critical to manipulate the adsorptive properties of…

Materials Science · Physics 2007-08-15 K. -S. Lin , Ruey-Bing Li , Frank Lee , Li-Cheng Lou , Su-Wei Chiu

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

Carbon nanotubes (CNTs) are nonlinear high-Q resonators with strong coupling to single-electron tunneling. We begin by describing several methods to detect the flexural motion of a CNT resonator. Next, we illustrate how single-electron…

Mesoscale and Nanoscale Physics · Physics 2012-05-23 Harold B. Meerwaldt , Gary A. Steele , Herre S. J. van der Zant

In this paper, we model the evolution and self-assembly of randomly oriented carbon nanotubes (CNTs), grown on a metallic substrate in the form of a thin film for field emission under diode configuration. Despite high output, the current in…

Materials Science · Physics 2010-04-14 N. Sinha , D. Roy Mahapatra , J. T. W. Yeow , R. V. N. Melnik , D. A. Jaffray

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

Carbon nanotubes are of central importance for applications in nano-electronics thanks to their exceptional transport properties. They can be used as sensors, for example in biological applications, provided that they are functionalized to…

Mesoscale and Nanoscale Physics · Physics 2020-04-14 Ghassen Jemaï , Jouda Khabthani , Guy Trambly de Laissardière , Didier Mayou