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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

The current paper presents the third part of the study devoted to composites formed by fullerene C60 and two graphene nanosheets ([C60+(5,5)] and ([C60+(9, 8)] graphene nanobuds). The formation of composites is considered from the basic…

Materials Science · Physics 2011-06-06 E. F. Sheka , L. Kh. Shaymardanova

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

Two experimental studies reported the spontaneous formation of amorphous and crystalline structures of C60 intercalated between graphene and a substrate. They observed interesting phenomena ranging from reaction between C60 molecules under…

Mesoscale and Nanoscale Physics · Physics 2019-10-21 Alexandre F. Fonseca , Sócrates O. Dantas , Douglas S. Galvão , Difan Zhang , Susan B. Sinnott

We study the motion of C60 fullerene molecules (buckyballs) and short-length carbon nanotubes on graphene nanoribbons. We demonstrate that the nanoribbon edge creates an effective potential that keeps the carbon structures on the surface.…

Mesoscale and Nanoscale Physics · Physics 2012-06-05 Alexander V. Savin , Yuri S. Kivshar

The current paper presents the second part of the study devoted to composites formed by fullerene C60 and single-walled carbon nanotube ([C60-(4,4)] carbon nanobud). The formation of composites is considered from the basic points related to…

Materials Science · Physics 2011-06-06 E. F. Sheka , L. Kh. Shaymardanova

A recent experimental study showed that an induced folded flap of graphene can spontaneously drive itself its tearing and peeling off a substrate, thus producing long, micrometer sized, regular trapezoidal-shaped folded graphene…

Materials Science · Physics 2018-08-28 Alexandre F. Fonseca , Douglas S. Galvao

C59N magnetic fullerenes were formed inside single-wall carbon nanotubes by vacuum annealing functionalized C59N molecules encapsulated inside the tubes. A hindered, anisotropic rotation of C59N was deduced from the temperature dependence…

Strongly Correlated Electrons · Physics 2007-05-23 F. Simon , H. Kuzmany , B. Nafradi , T. Feher , L. Forro , F. Fulop , A. Janossy , L. Korecz , A. Rockenbauer , F. Hauke , A. Hirsch

The formation of graphen-nanotube composites addresses a few basic problems. First, both partners are good donors and acceptors of electrons, which significantly complicates the intermolecular interaction between them leading to a two-well…

Materials Science · Physics 2009-01-26 Elena F. Sheka , Leonid A. Chernozatonskii

We studied the temperature stability of the endohedral fullerene molecule, N@C60, inside single-wall carbon nanotubes using electron spin resonance spectroscopy. We found that the nitrogen escapes at higher temperatures in the encapsulated…

Materials Science · Physics 2010-07-14 S. Toth , D. Quintavalle , B. Nafradi , L. Korecz , L. Forro , F. Simon

Large-scale practical applications of fullerene (C60) in nanodevices could be significantly facilitated if the commercially-available micrometer-scale raw C60 powder were further processed into a one-dimensional (1D) nanowire-related…

Nanoscrolls, radial superlattices formed by rolling up a nanomembrane, exhibit distinct electronic and magneto-transport properties compared to their flat counterparts. In this study, we theoretically demonstrate that the conductance can be…

Materials Science · Physics 2025-01-23 Ying-Je Lee , Yu-An Cheng , Yu-Jie Zhong , Ion Cosma Fulga , Ching-Hao Chang

A nano-stitching method is proposed and investigated to modify graphene bilayers. Based this method, four types of low energy carbon allotropes, "wormhole graphene" allotropoes, are obtained and their structures, stabilities and electronic…

Materials Science · Physics 2015-05-18 Chaoyu He , JinLi , Jianxin Zhong

Here we present graphene-based nanoelectromechanical switch with the vertical carbon nanotube electrode via classical molecular dynamics simulations. The carbon nanotube is grown in the center of the square hole and the graphene covers on…

Materials Science · Physics 2016-07-15 Eunae Lee , Jeong Won Kang

Inspired by macroscale vehicles, many molecular machines have been synthesized yet. Due to the importance of atomic manipulation at the surface, nanocars are of particular interest. Nanocar wheels play a crucial role in their motion. One of…

Chemical Physics · Physics 2021-08-03 Mehran Vaezi , Hossein Nejat Pishkenari

Fullerene peapods, that is carbon nanotubes encapsulating fullerene molecules, can offer enhanced functionality with respect to empty nanotubes. However, the present incomplete understanding of how a nanotube is affected by entrapped…

Mesoscale and Nanoscale Physics · Physics 2010-09-08 Pawel Utko , Raffaello Ferone , Ilya V. Krive , Robert I. Shekhter , Mats Jonson , Marc Monthioux , Laure Noé , Jesper Nygård

A carbon nanotube is an ideal object for understanding the atomic scale aspects of interface interaction and friction. Using molecular statics and dynamics methods different types of motion of nanotubes on a graphite surface are…

Condensed Matter · Physics 2009-10-31 A. Buldum , Jian Ping Lu

The unique topology and exceptional properties of carbon nanoscrolls (CNSs) have inspired unconventional nano-device concepts, yet the fabrication of CNSs remains rather challenging. Using molecular dynamics simulations, we demonstrate the…

Mesoscale and Nanoscale Physics · Physics 2011-11-21 Zhao Zhang , Teng Li

The lifting, peeling and exfoliation of physisorbed ribbons (or flakes) of 2D material such as graphene off a solid surface are common and important manoeuvres in nanoscience. The feature that makes this case peculiar is the structural…

Mesoscale and Nanoscale Physics · Physics 2019-10-15 Lorenzo Gigli , Andrea Vanossi , Erio Tosatti

This article is a continuation of our previous studies of the frictional anisotropy of metal nanoparticles on the surface of a graphene substrate for other temperature conditions. The friction force acting on palladium nanoparticles on a…

Mesoscale and Nanoscale Physics · Physics 2021-03-30 A. V. Khomenko , M. V. Zakharov
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