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Dielectric properties of carbon nanotubes (CNT) are calculated with taking into account the deviation of carbon valence electrons from to be placed exactly on the CNT surface. The results show difference to the usually applied 2D electron…

Mesoscale and Nanoscale Physics · Physics 2012-04-04 V. A. Aleksandrov , A. V. Stepanov , G. M. Filippov

In this paper, we provide a detailed expression of the vibrational potential for the lattice dynamics of the single-wall carbon nanotubes (SWCNT) satisfying the requirements of the exact rigid translational as well as rotational symmetries,…

Materials Science · Physics 2007-05-23 Jin-Wu Jiang , Hui Tang , Bing-Shen Wang , Zhao-Bin Su

Macroscopic fibers of carbon nanotubes (CNT) have emerged as an ideal architecture to exploit the exceptional properties of CNT building blocks in applications ranging from energy storage to reinforcement in structural composites.…

We perform systematic numerical simulations for carbon nanotube (CNT) film microstrip antennas to fabricate flexible and durable applications in terms of various device design parameters. The selection of appropriate materials for…

Applied Physics · Physics 2022-06-22 HeeBong Yang , Aaron Gross , Na Young Kim

We study by first-principles calculations the electro-mechanical response of carbon nanoscrolls. We show that although they present a very similar behavior to carbon nanotubes for what concerns the axial deformation sensitivity, they…

Mesoscale and Nanoscale Physics · Physics 2016-08-16 R. Rurali , V. R. Coluci , D. S. Galvão

Carbon nanotube (CNT) is expected for much more important and broader applications in the future, because of its amazing electrical and mechanical properties. However, today, the prospect is detained by the fact that the growth of CNTs…

Materials Science · Physics 2007-05-23 Shuang Zhang , Takeo Hoshi , Takeo Fujiwara

Electric current flows parallel to the outer product of an applied electric field and temperature gradient, a phenomenon we call the nonlinear chiral thermo-electric (NCTE) Hall effect. We present a general microscopic formulation of this…

Mesoscale and Nanoscale Physics · Physics 2023-05-10 Terufumi Yamaguchi , Kazuki Nakazawa , Ai Yamakage

High frequency conductivity of hot electrons in an undoped single walled achiral carbon nanotubes (CNTs) under the influence of ac-dc driven fields is considered. We investigated semiclassically by solving the Boltzmann's transport equation…

Mesoscale and Nanoscale Physics · Physics 2016-04-20 M. Amekpewu , S. Y. Mensah , R. Musah , N. G. Mensah , S. S. Abukari , K. A. Dompreh

Using the Landauer-Buttiker formalism, we calculate the effect of structural twist on electron transport in conducting carbon nanotubes. We demonstrate that even a localized region of twist scatters the propagating pi electrons and induces…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Steven W. D. Bailey , David Tomanek , Young-Kyun Kwon , Colin J. Lambert

We present a novel floating catalyst synthesis route for individual, i.e. non-bundled, small diameter single-walled carbon nanotubes (SWCNTs) with a narrow chiral angle distribution peaking at high chiralities near the armchair species. An…

Single-wall carbon nanotubes are almost ideal systems for the investigation of exotic many-body effects due to non-Fermi liquid behavior of interacting electrons in one dimension. Recent theoretical and experimental results are reviewed…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. Odintsov , H. Yoshioka

Nanoelectromechanical systems (NEMs) hold promise for a number of scientific and technological applications. In particular, NEMs oscillators have been proposed for use in ultrasensitive mass detection, radio-frequency signal processing, and…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Vera Sazonova , Yuval Yaish , Hande Ustunel , David Roundy , Tomas A. Arias , Paul L. McEuen

We demonstrate that AC arc discharge under de-ionized water which has been recently used for carbon nanotubes (CNT) production can be modified to increase the quantity and quality of carbon nanotubes by applying a magnetic field. The carbon…

Materials Science · Physics 2013-08-28 V. K. Jindal , K. Dharamvir , Vitisha Suman , Mepam Tsomo

We predict and analyze mechanical instability and corresponding self-sustained mechanical oscillations occurring in a nanoelectromechanical system composed of a metallic carbon nanotube (CNT) suspended between two superconducting leads and…

Mesoscale and Nanoscale Physics · Physics 2020-12-30 A. V. Parafilo , L. Y. Gorelik , M. Fistul , H. C. Park , R. I. Shekhter

Using molecular dynamics simulations, we propose a novel nanoscale watermill for unidirectional transport of water molecules through a curved single-walled carbon nanotube (SWNT). In this nanoscale system, a revolving charge is introduced…

Fluid Dynamics · Physics 2015-02-16 Xiaoyan Zhou , Jianlong Kou , Xuechuan Nie , Fengmin Wu , Yang Liu , Hangjun Lu

The rapid progress on MgB2 superconductor since its discovery[1] has made this material a strong competitor to low and high temperature superconductors (HTS) for applications with a great potential to catch the niche market such as in…

We investigate the properties of conduction electrons in single-walled armchair carbon nanotubes in the presence of mutually orthogonal electric and magnetic fields transverse to the tube's axis. We find that the fields give rise to an…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Wade DeGottardi , Tzu-Chieh Wei , Victoria Fernandez , Smitha Vishveshwara

Carbon Nanotube (CNT) is one of the most significant materials for the development of faster and improved performance of nano-scaled transistors. This paper aims at analyzing a trade-off between device performance and device size of CNT…

Applied Physics · Physics 2018-11-20 Imtiaj Khan , Ovishek Morshed , Sharif Mohammad Mominuzzaman

We study the dynamics of transverse oscillations of a suspended carbon nanotube into which current is injected from the tip of a scanning tunneling microscope (STM). In this case the correlations between the displacement of the nanotube and…

Mesoscale and Nanoscale Physics · Physics 2011-05-12 Fabio Santandrea

We show that the photoluminescence intensity of single-walled carbon nanotubes is much stronger in tubes with large chiral angles - armchair tubes - because exciton resonances make the luminescence of zigzag tubes intrinsically weak. This…

Materials Science · Physics 2009-11-11 Stephanie Reich , Christian Thomsen , John Robertson
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