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Related papers: Electromechanical Effects in Carbon Nanotubes

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The creation of multilayer graphene (Gr), while preserving the brilliant properties of monolayer Gr derived from its unique band structure, can expand the application field of Gr to the macroscale. However, the energy-favorable AB stacking…

We analytically calculate the nuclear-spin interactions of a single electron confined to a carbon nanotube or graphene quantum dot. While the conduction-band states in graphene are p-type, the accordant states in a carbon nanotube are…

Mesoscale and Nanoscale Physics · Physics 2009-10-02 Jan Fischer , Bjoern Trauzettel , Daniel Loss

Three typical one-dimensional (1D)/quasi-1D nanocarbons, linear carbon chains, carbon nanotubes, and graphene nanoribbons have been proven to grow inside single-wall carbon nanotubes. This gives rise to three types of hybrid materials whose…

Materials Science · Physics 2021-01-29 Weili Cui , Takeshi Saito , Paola Ayala , Thomas Pichler , Lei Shi

Using the molecular dynamics simulations and the force constant model we have studied the Raman-active tangential modes (TMs) of a (10, 0) single-wall carbon nanotube (SWNT) under hydrostatic pressure. With increasing pressure, the atomic…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Wei Yang , Ru-Zhi Wang , Yu-Fang Wang , Xue-Mei Song , Bo Wang , Hui Yan

Optical and electronic phenomena in solids arise from the behaviour of electrons and holes (unoccupied states in a filled electron sea). Electron-hole symmetry can often be invoked as a simplifying description, which states that electrons…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Pablo Jarillo-Herrero , Sami Sapmaz , Cees Dekker , Leo P. Kouwenhoven , Herre S. J. van der Zant

Water-flow in carbon nanotubes (CNT's) starkly contradicts classical fluid mechanics, with permeabilities that can exceed no-slip Haagen-Poiseuille predictions by two to five orders of magnitude. Semi-classical molecular dynamics accounts…

Materials Science · Physics 2022-07-27 Alberto Ambrosetti , Giorgio Palermo , Pier Luigi Silvestrelli

The inclusion and encapsulation of terthiophene (T3) molecules inside zigzag single-walled carbon nanotubes (CNTs) is addressed by density functional calculations. We consider the T3 molecule inside five semiconducting CNTs with diameters…

Materials Science · Physics 2009-11-11 W. Orellana , S. O. Vasquez

Individual metallic single-wall carbon nanotubes show unsual non-Ohmic transport behaviors at high bias fields. For low resistance contact samples, the differential conductance dI/dV increases with increasing bias, reaching a maximum at…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 S. Fujita , H. C. Ho

Using first-principles density functional calculations, we investigated work functions (WFs) of thin double-walled nanotubes (DWNTs) with outer tube diameters ranging from 1nm to 1.5nm. The results indicate that work function change within…

Materials Science · Physics 2009-11-11 Bin Shan , Kyeongjae Cho

Penta-graphene is the name given to a novel puckered monolayer of carbon atoms tightly packed into an inerratic pentagonal network, theoretically, which exhibits excellent thermal and mechanical stability and can be rolled into…

Materials Science · Physics 2017-09-26 Mingwei Chen , Haifei Zhan , Yinbo Zhu , Hengan Wu , Yuantong Gu

Fe filled carbon nanotubes were synthesized by atmospheric pressure chemical vapor deposition using a simple mixture of iron acetylacetonate with a conventional photoresist and the effect of growth temperature from 550 to 950 {\deg}C on Fe…

Applied Physics · Physics 2020-04-28 Joydip Sengupta , Avijit Jana , N. D. Pradeep Singh , Chacko Jacob

Recent nuclear magnetic resonance measurements on isotope engineered double walled carbon nanotubes (DWCNTs) surprisingly suggest a uniformly metallic character of all nanotubes, which can only be explained by the interaction between the…

Materials Science · Physics 2007-05-23 V. Zólyomi , J. Koltai , Á. Rusznyák , J. Kürti , Á. Gali , F. Simon , H. Kuzmany , Á. Szabados , P. R. Surján

The interactions of charged particles with carbon nanotubes may excite electromagnetic modes in the electron gas produced in the cylindrical graphene shell constituting the nanotube wall. This wake effect has recently been proposed as a…

Accelerator Physics · Physics 2023-12-18 P. Martín-Luna , A. Bonatto , C. Bontoiu , G. Xia , J. Resta-López

The low-energy theory for multi-wall carbon nanotubes including the long-ranged Coulomb interactions, internal screening effects, and single-electron hopping between graphite shells is derived and analyzed by bosonization methods.…

Strongly Correlated Electrons · Physics 2009-10-31 R. Egger

The structure and motion of carbon and h-BN nanotubes (NTs) deposited on graphene is inquired theoretically by simulations based on state-of-the-art interatomic force fields. Results show that any typical cylinder-over-surface approximation…

Mesoscale and Nanoscale Physics · Physics 2020-06-17 Davide Mandelli , Roberto Guerra

Proximity effect on field-effect characteristic (FEC) in double-wall carbon nanotubes (DWCNTs) is investigated. In a semiconductor-metal (S-M) DWCNT, the penetration of electron wavefunctions in the metallic shell to the semiconducting…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Jie Lu , Sun Yin , Z. Z. Sun , X. R. Wang , L. M. Peng

We have studied the energetics, electronic structure, optical excitation, and electron relaxation of dinitromethane molecules (CH$_{2}$N$_{2}$O$_{4}$) adsorbed on semiconducting carbon nanotubes (CNTs) of chiral index (n,0) (n=7, 10, 13,…

Chemical Physics · Physics 2013-10-29 Iek-Heng Chu , Dmitri S. Kilin , Hai-Ping Cheng

We investigate the atomic and electronic structures of cyclooctatetraene (COT) molecules on graphene and analyze their dependence on external gate voltage using first-principles calculations. The external gate voltage is simulated by adding…

Materials Science · Physics 2018-10-15 Sehoon Oh , Michael F. Crommie , Marvin L. Cohen

A simple formula for coordinates of carbon atoms in a unit cell of a single-walled nanotube (SWNT) is presented and the potential of neon (Ne) inside an infinitely long SWNT is analytically derived under the assumption of pair-wise…

Mesoscale and Nanoscale Physics · Physics 2007-06-11 Z. C. Tu , Z. C. Ou-Yang

Interaction between carbon nanomaterials and micellar substrates is studied. A notable observation is the dependence of nano-surface topology on thermodynamic signatures of the carbon nanomaterials e.g., single wall carbon nanotube (SWNT),…

Materials Science · Physics 2015-07-08 Tamoghna Bhattacharyaa , Anjan Kr. Dasgupta
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