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Water confinement inside a carbon nanotube (CNT) has been one of the most exciting subjects of both experimental and theoretical interest. Most of the previous studies, however, considered CNT structures with simple cylindrical shapes. In…

Mesoscale and Nanoscale Physics · Physics 2020-02-03 Taehoon Kim , Gwan Woo Kim , Hyunah Jeong , Gunn Kim , Soonmin Jang

The methods of carbon nanotubes (CNTs) growth inside nanoporous materials are among the best candidates to fabricate CNTs with controlled geometrical parameters. We report obtaining CNTs by pyrolysis of sugar water and show that this…

Materials Science · Physics 2013-09-16 V. Y. Butko , A. V. Fokin , V. N. Nevedomsky , Y. A. Kumzerov

To study the shape formation process of carbon nanotubes, a string equation describing the possible existing shapes of the axis-curve of multishell carbon tubes (MCTs) is obtained in the continuum limit by minimizing the shape energy, that…

Condensed Matter · Physics 2009-10-30 Ou-Yang Zhong-can , Zhao-Bin Su , Chui-Lin Wang

Two-dimensional carbon nitride materials have been the center of attention for their diverse usage in energy harvesting, environmental remediation and nanoelectronic applications. A broad range of utilities with decent synthetic…

Mesoscale and Nanoscale Physics · Physics 2025-12-09 Deep Mondal , Arka Bandyopadhyay , Atanu Nandy , Debnarayan Jana

Carbon nanotubes are a fraction of the size of transistors used in today's best microchips, as it could reduce power demands and heating in next electronics revolution. Present study investigates the electronic and magnetic structure of…

Materials Science · Physics 2012-01-09 Sanjeev Gautama , P. Thakur , S. Augustine , J. K. Kang , J. -Y. Kim , N. B. Brookes , K. Asokan , Keun Hwa Chae

We here investigated the thermal and mechanical behaviors of three-dimensional beta zeolite-templated carbon nanotube networks (BZCN). These networks are topologically generated by inserting carbon nanotubes (CNTs) into zeolite channels and…

Materials Science · Physics 2020-05-08 Eliezer F. Oliveira , Leonardo D. Machado , Ray H. Baughman , Douglas S. Galvao

Single-wall carbon nanotubes (SWNTs) are best known in their hollow cylindrical shapes, but the ground state of large-diameter tubes actually corresponds to a collapsed dumbbell-like structure, where the opposite sides of the nanotube wall…

Mesoscale and Nanoscale Physics · Physics 2019-12-20 Rafael R. Del Grande , Alexandre F. da Fonseca , Rodrigo B. Capaz

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 analysis of the Raman scattering cross section of the radial breathing modes of double-wall carbon nanotubes allowed to determine the optical transitions of the inner tubes. The Raman lines are found to cluster into species with similar…

Soft Condensed Matter · Physics 2007-05-23 R. Pfeiffer , F. Simon , H. Kuzmany , V. N. Popov

Single-walled carbon nanotubes (SWCNT) can be assembled into various macroscopic architectures, most notably continuous fibers and films, produced currently on a kilometer per day scale by floating catalyst chemical vapor depositionand…

Applied Physics · Physics 2019-08-23 Belén Alemán , Juan J. Vilatela

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…

Carbon nanotubes (CNT) have a very large application potential in the rapid developing field of molecular electronics. Infinite single-wall metallic CNTs have theoretically a conductance of 4e2/h because of the two electronic bands crossing…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 N. Ranjan , R. Gutierrez-Laliga , S. Krompiewski , G. Cuniberti

We report on various nanocarbons formed from a unique structural pattern containing two pentagons, three hexagons and two heptagons, resulting from local rearrange- ments around a divacancy in pristine graphene or nanotubes. This defect can…

Materials Science · Physics 2015-06-03 Jean-Marc Leyssale , G érard L. Vignoles , Antoine Villesuzanne

A complex quantum dot circuit based on a clean and suspended carbon nanotube embedded in a circuit quantum electrodynamique (cQED) architecture is a very attractive platform to investigate a large spectrum of physics phenomena ranging from…

Mesoscale and Nanoscale Physics · Physics 2020-10-28 T. Cubaynes , L. C. Contamin , M. C. Dartiailh , M. M. Desjardins , A. Cottet , M. R. Delbecq , T. Kontos

We show how conformal partial waves (or conformal blocks) of spinor/tensor correlators can be related to each other by means of differential operators in four dimensional conformal field theories. We explicitly construct such differential…

High Energy Physics - Theory · Physics 2016-01-26 Alejandro Castedo Echeverri , Emtinan Elkhidir , Denis Karateev , Marco Serone

Toroidal carbon nanotubes can serve as hosts for encapsulated loops of atomic metal wires. Such composite structures have been analyzed using density functional theory for a semiconducting C$_{120}$ torus encapsulating chains of Fe, Au and…

Materials Science · Physics 2010-09-03 Mark T. Lusk , Nathaniel Hamm

Materials comprising carbon nanotube (CNT) aligned nanowire (NW) polymer nanocomposites (A-PNCs) are emerging as next-generation materials for use in aerospace structures. Enhanced operating regimes, such as operating temperatures, motivate…

Applied Physics · Physics 2017-12-19 Itai Y. Stein , Hanna M. Vincent , Stephen A. Steiner , Elena Colombini , Brian L. Wardle

Stable cross-sections of multi-walled carbon nanotubes subjected to electron-beam irradiation are investigated in the realm of the continuum mechanics approximation. The self-healing nature of sp$^2$ graphitic sheets implies that selective…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Hiroyuki Shima , Motohito Sato , Kohtaroh Iiboshi , Susanta Ghosh , Marino Arroyo

Spin-dependent coherent quantum transport through carbon nanotubes (CNT) is studied theoretically within a tight-binding model and the Green's function partitioning technique. End-contacted metal/nanotube/metal systems are modelled and next…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 S. Krompiewski

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