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Elastic radial deformation of multiwall carbon nanotubes (MWNTs) under hydrostatic pressure is investigated within the continuum elastic approximation. The thin-shell theory, with accurate elastic constants and interwall couplings, allows…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 Hiroyuki Shima , Susanta Ghosh , Marino Arroyo , Kohtaroh Iiboshi , Motohiro Sato

Light emission from nanostructures exhibits rich quantum effects and has broad applications. Single-walled carbon nanotubes (SWNTs) are one-dimensional (1D) metals or semiconductors, in which large number of electronic states in a narrow…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 David Mann , Y. K. Kato , Anika Kinkhabwala , Eric Pop , Jien Cao , Xinran Wang , Li Zhang , Qian Wang , Jing Guo , Hongjie Dai

A pronounced irreversible electro-optical response (memory effect) has been recently observed for nematic liquid crystal (LC) EBBA doped by multi-walled carbon nanotubes (MWCNTs) near the percolation threshold of the MWCNTs (0.02-0.05 wt.…

Soft Condensed Matter · Physics 2012-10-05 L. Dolgov , O. Yaroshchuk , S. Tomylko , N. Lebovka

Addition of only 1% of acetylene into ethanol was found to enhance the growth rate of singlewalled carbon nanotubes (SWNTs) by up to ten times. Since acetylene is a byproduct of the thermal decomposition of ethanol, this suggests an…

Materials Science · Physics 2008-11-27 R. Xiang , E. Einarsson , J. Okawa , Y. Miyauchi , S. Maruyama

The structures and symmetries of single-walled carbon nanotubes (SWNTs) are introduced in detail. The physical properties of SWNTs induced by their symmetries can be described by tensors in mathematical point of view. It is found that there…

Mesoscale and Nanoscale Physics · Physics 2009-09-29 Z. C. Tu , Z. C. Ou-Yang

The thermoelectric effects in semiconducting single-walled carbon nanotubes (SWCNTs) are investigated based on the linear response theory combined with the thermal Green's function method. It is shown that the electronic states near the…

Mesoscale and Nanoscale Physics · Physics 2018-10-26 Takahiro Yamamoto , Hidetoshi Fukuyama

In this work, we report a theoretical coupled study of the structural and phonons properties of bundled single- and double-walled carbon nanotubes (DWNTs), under hydrostatic compression. Our results confirm drastic changes in volume of…

Mesoscale and Nanoscale Physics · Physics 2012-06-21 Acrisio. L. Aguiar , Rodrigo B. Capaz , A. G. Souza Filho , Alfonso San-Miguel

Fluorescent semiconducting single-walled carbon nanotubes (SWCNTs) hold considerable promise for photonics. Furthermore, the optical characteristics of the material can be significantly improved by covalent modification, which generates new…

Advanced acceleration methods based on wakefields generated by high energy electron bunches passing through dielectric-based structures have demonstrated $>$GV/m fields, paving the first steps on a path to applications such as future…

We report here on electrical measurements on individual multi-walled carbon nanotubes (MWNTs) that show that the presence or movement of impurities or defects in the carbon nanotube can radically change its low temperature transport…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Zhengfan Zhang , Venkat Chandrasekhar , Dmitriy A. Dikin , Rodney S. Ruoff

The electrical characteristics of a carbon nanotube can be significantly modified by applying elastic strain. This study focuses on exploring this phenomenon in a single-walled carbon nanotube (SWNT) using tight-binding transport…

Mesoscale and Nanoscale Physics · Physics 2024-09-10 Naif Hadadi , Adel Belayadi , Ousmane Ly , Adel Abbout

The current research establishes magnetohydrodynamics (MHD) boundary layer flow with heat and mass transfer of a nanofluid over an exponentially extending sheet embedded in a porous medium. During this exploration, nanoparticles,…

Dynamical Systems · Mathematics 2024-09-02 Diksha Sharma , Shilpa Sood

High strain rate experiments performed on multi-walled carbon nanotubes and polycarbonate composites (MWCNT-PC) have exhibited enhanced impact resistance under a dynamic strain rate of nearly 2500/s with composition of only 0.5 to 2.0…

Materials Science · Physics 2013-04-23 Prashant Jindal , Meenakshi Goyal , Navin Kumar

Using molecular dynamics simulations, we investigate systematically the water permeation properties across the single-walled carbon nanotube (SWCNT) in the presence of the terahertz electric field (TEF). With the TEF normal to the nanotube,…

Mesoscale and Nanoscale Physics · Physics 2016-02-17 Qi-Lin Zhang , Rong-Yao Yang , Wei-Zhou Jiang , Zi-Qian Huang

We present a technique to directly excite Luttinger liquid collective modes in carbon nanotubes at GHz frequencies. By modeling the nanotube as a nano-transmission line with distributed kinetic and magnetic inductance as well as distributed…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 P. J. Burke

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

The low-energy electronic structure of metallic single-walled carbon nanotube (SWNT) in an external electric field perpendicular to the tube axis is investigated. Based on tight-binding approximation, a field-induced energy gap is found in…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Xin Zhou , Hu Chen , Ou-Yang Zhong-can

We present an analytical model describing complex dynamics of a hybrid nonlinear system consisting of interacting carbon nanotubes (CNT) and a plasmonic metamaterial. Our model is based on the set of coupled equations, which incorporates…

Materials Science · Physics 2013-07-25 A. Chipouline , S. Sugavanam , V. A. Fedotov , A. E. Nikolaenko , T. Pertsch

We develop an analytical method to find plasmons generated by microwaves in a two-dimensional electron gas with defects. The excitations are expressed in terms of the wake field of a charged particle moving in plasma. The result explicitly…

Mesoscale and Nanoscale Physics · Physics 2011-07-19 Eduard Takhtamirov , Roderick V. N. Melnik

The excitation of electrostatic wakefields in a magnetized spin quantum plasma by the classical as well as the spin-induced ponderomotive force (CPF and SPF, respectively) due to whistler waves is reported. The nonlinear dynamics of the…

Plasma Physics · Physics 2010-12-15 A. P. Misra , G. Brodin , M. Marklund , P. K. Shukla