English
Related papers

Related papers: Why do nanotubes grow chiral?

200 papers

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

A theory of linearly elastic orthotropic shells is presented, with potential application to the continuous modeling of Carbon NanoTubes. Two relevant features are: the selected type of orthotropic response, which should be suitable to…

Mathematical Physics · Physics 2016-01-20 Antonino Favata , Paolo Podio-Guidugli

Single-walled carbon nanotubes have been a candidate for outperforming silicon in ultrascaled transistors, but the realization of nanotube-based integrated circuits requires dense arrays of purely semiconducting species. Control over…

Applied Physics · Physics 2022-04-27 K. Otsuka , R. Ishimaru , A. Kobayashi , T. Inoue , R. Xiang , S. Chiashi , Y. K. Kato , S. Maruyama

Carbon Nanotubes (CNTs) of sufficiently large diameter and a few layers self-collapse into flat ribbons at atmospheric pressure, forming bundles of stacked CNTs that maximize packing and thus CNT interaction. Their improved stress transfer…

The extraordinary one-dimensional properties of carbon nanotubes have captivated scientists and engineers since their discovery in the early 1990s. In particular, semiconducting single-wall carbon nanotubes (SWCNTs) are highly promising for…

Applied Physics · Physics 2026-04-09 Ting-Wei Chang , Gustavo M. Rodriguez-Barrios , Andrey Baydin , Junichiro Kono

We have assigned the chirality of the internal tubes of double walled carbon nanotubes grown by catalytic chemical vapor deposition using the high sensitivity of the radial breathing mode (RB) in inelastic light scattering experiments. The…

Materials Science · Physics 2009-11-07 R. R. Bacsa , A. Peigney , Ch. Laurent , P. Puech , W. S. Bacsa

Given the high potential for applications utilizing the unique properties of single-walled carbon nanotubes (SWCNTs), there is considerable enthusiasm for addressing the challenges associated with synthesizing SWCNTs with specific…

Computational Physics · Physics 2025-11-06 Ikuma Kohata , Ryo Yoshikawa , Kaoru Hisama , Christophe Bichara , Keigo Otsuka , Shigeo Maruyama

With a view to optimising the design of carbon-nanotube (CNT) windmills and to maximising the internal magnetic field generated by chiral currents, we present analytical results for the group velocity components of an electron flux through…

Mesoscale and Nanoscale Physics · Physics 2009-01-05 C. J. Lambert , S. W. D. Bailey , J. Cserti

Understanding the kinetic selectivity of carbon nanotube growth at the scale of individual nanotubes is essential for the development of high chiral selectivity growth methods. Here we demonstrate that homodyne polarization microscopy can…

Symmetric minima of surface potential energy of a nanocatalyst act as nucleation sites for chirally selective initial growth of single walled carbon tubes at low temperatures. The nucleation sites are sites of maximum coordination number of…

Materials Science · Physics 2013-05-01 Anteneh G Tefera , Mogus D Mochena

Interface widely exists in carbon nanotube (CNT) assembly materials, taking place at different length scales. It determines severely the mechanical properties of these assembly materials. Here I assess the mechanical properties of…

Materials Science · Physics 2017-06-02 Xiaohua Zhang

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

The curvature effects in carbon nanotubes are studied analytically as a function of chirality. The pi-orbitals are found to be significantly rehybridized in all tubes, so that they are never normal to the tubes' surface. This results in a…

Strongly Correlated Electrons · Physics 2009-11-07 Alex Kleiner , Sebastian Eggert

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

Although individual carbon nanotubes (CNTs) are superior as constituents to polymer chains, the mechanical and thermal properties of CNT fibers (CNTFs) remain inferior to commercial synthetic fibers due to the lack of synthesis methods to…

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

Carbon nanotube (CNT) fiber is formed by assembling millions of individual tubes. The assembly feature provides the fiber with rich interface structures and thus various ways of energy dissipation, as reflected by the non-zero loss tangent…

Materials Science · Physics 2015-11-18 Jingna Zhao , Xiaohua Zhang , Zhijuan Pan , Qingwen Li

Carbon nanotube fibers are materials with an exceptional combination of properties, including higher toughness than carbon fibers, electrical conductivity above metals, large specific surface area (250 $\frac{m^2}{g}$) and high…

Applied Physics · Physics 2019-02-20 Belén Alemán , María Vila , Juan J. Vilatela

The current study presents the natural vibrations of single-walled carbon nanotubes (SWCNTs) using the nonlocal theory of elasticity. The study will help to develop nanodevices. The study focuses on the natural vibrations of curved or…

Dynamical Systems · Mathematics 2023-08-08 Shahid Mubasshar

The magneto-conductance of an open carbon nanotube (CNT)-quantum wire was measured in pulsed magnetic fields. At low temperatures we find a peculiar split magneto-conductance peak close to the charge neutrality point. Our analysis of the…

Mesoscale and Nanoscale Physics · Physics 2010-11-19 S. H. Jhang , M. Marganska , Y. Skourski , D. Preusche , B. Witkamp , M. Grifoni , H. van der Zant , J. Wosnitza , C. Strunk