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The paper aims at the development of a digital twin modelling the electrical conductivity of multi-wall carbon nanotube (MWCNT)/polymer nanocomposite. A comparative analysis is conducted for various formulations of boundary conditions in…

材料科学 · 物理学 2020-09-15 N. A. Gudkov , S. V. Lomov , I. S. Akhatov , S. G. Abaimov

This work presents a model that successfully describes the tensile properties of macroscopic fibres of carbon nanotubes (CNTs). The core idea is to treat such a fibre as a network of CNT bundles, similar to the structure of high-performance…

材料科学 · 物理学 2019-03-01 J. C. Fernández-Toribio , B. Alemán , A. Ridruejo , J. J. Vilatela

The capabilities of the mechanical resonator-based nanosensors in detecting ultra-small mass or force shifts have driven a continuing exploration of the palette of nanomaterials for such application purpose. Based on large-scale molecular…

材料科学 · 物理学 2015-06-25 Haifei Zhan , Guiyong Zhang , Baocheng Zhang , John M. Bell , Yuantong Gu

Molecular dynamics simulations have been used to investigate the structures of Lennard-Jones (LJ) nanowires (NWs) encapsulated by carbon nanotubes (CNTs). We found that, when the radius of CNTs is small, the structures of NWs are quite…

介观与纳米尺度物理 · 物理学 2012-10-09 W. Q. Wu , Q. H. Yuan , D. Y. Sun

Recently experiments showed that nodal structural defects are readily formed in the synthesis of single-walled carbon nanotubes (SWNTs) and consequently, SWNTs are likely to deviate from well-defined seamless tubular structures. Here, using…

介观与纳米尺度物理 · 物理学 2014-10-02 Young I. Jhon , Woonjo Cho , Seok Lee , Young Min Jhon

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…

应用物理 · 物理学 2022-06-22 HeeBong Yang , Aaron Gross , Na Young Kim

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…

Temperature dependent conformations of linear polymer molecules adsorbed at carbon nanotube (CNT) interfaces are investigated through molecule dynamics simulations. Model polyethylene (PE) molecules are shown to have selective conformations…

材料科学 · 物理学 2015-06-25 Chenyu Wei

Molecular level components, like carbon multiwalled nanotubes (MWNT), show great potential for future nanoelectronics. At low frequencies, only the outermost carbon layer determines the transport properties of the MWNT. Due to the…

介观与纳米尺度物理 · 物理学 2007-05-23 Markus Ahlskog , Pertti Hakonen , Mikko Paalanen , Leif Roschier , Reeta Tarkiainen

High performance nanocomposites require well dispersion and high alignment of the nanometer-sized components, at a high mass or volume fraction as well. However, the road towards such composite structure is severely hindered due to the easy…

材料科学 · 物理学 2015-06-24 Yue Han , Xiaohua Zhang , Xueping Yu , Jingna Zhao , Shan Li , Feng Liu , Peng Gao , Yongyi Zhang , Tong Zhao , Qingwen Li

The electronic properties of squashed arm-chair carbon nanotubes are modeled using constraint free density functional tight binding molecular dynamics simulations. Independent from CNT diameter, squashing path can be divided into {\it…

计算物理 · 物理学 2009-11-11 H. Mehrez , A. Svizhenko , M. P. Anantram , M. Elstner , T. Frauenheim

Vibration reduction is of great importance in various engineering applications, and a material that exhibits good vibration damping along with high strength and modulus has become more and more vital. Owing to the superior mechanical…

材料科学 · 物理学 2017-11-07 Jingna Zhao , Fulin Wang , Xin Zhang , Linjie Liang , Xueqin Yang , Qingwen Li , Xiaohua Zhang

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…

材料科学 · 物理学 2015-07-20 Marcel Lucas , Xiaohua Zhang , Ismael Palaci , Christian Klinke , Erio Tosatti , Elisa Riedo

Engineering the synthetic nanopores through lipid bilayer membrane to access the interior of a cell is a long persisting challenge in biotechnology. Here, we demonstrate the stability and dynamics of a tile-based 6-helix DNA nanotube (DNT)…

软凝聚态物质 · 物理学 2017-10-18 Himanshu Joshi , Prabal K. Maiti

We simulate the twist of carbon nanotubes using atomic molecular dynamic simulations. The ultimate twist angle per unit length and the deformation energy are calculated for nanotubes of different geometries. It is found that the big tube is…

介观与纳米尺度物理 · 物理学 2009-09-21 Zhao Wang , Michel Devel , Bernard Dulmet

Atomic models of quasi-one-dimensional 1D vanadium oxide nanostructures - nanotubes of various morphology (cylinder or scroll-like) formed by rolling (010) single layers of V2O5 are constructed and their electronic properties are studied…

材料科学 · 物理学 2007-05-23 A. N. Enyashin , V. V. Ivanovskaya , Yu. N. Makurin , A. L. Ivanovskii

The optoelectronic properties of single- and double-wall carbon nanotubes (CNTs) noncovalently functionalized with tetraphenylporphyrins (TPPs) are addressed by dispersion-corrected ab initio calculations. Five CNT species with different…

材料科学 · 物理学 2017-01-04 Walter Orellana

We investigated the atomic structures, Raman spectroscopic and electrical transport properties of individual graphene nanoribbons (GNRs, widths ~10-30 nm) derived from sonochemical unzipping of multi-walled carbon nanotubes (MWNTs).…

材料科学 · 物理学 2011-06-21 Liming Xie , Hailiang Wang , Chuanhong Jin , Xinran Wang , Liying Jiao , Kazu Suenaga , Hongjie Dai

The atomic structure, stacking sequences and electronic structure of folded graphene nanoribbons (FGNRs) are investigated by first-principles calculations. It reveals that the common configurations of all FGNRs are racket-like structures…

介观与纳米尺度物理 · 物理学 2016-01-20 Wenjin Yin , Yuee Xie , Li-Min Liu , Yuanping Chen , Ru-Zhi Wang , Xiao-Lin Wei , Leo Lau

An investigation concerning the tautness of suspended carbon nanotubes (CNTs), grown using the chemical vapor deposition (CVD) method is presented. The suspended nanotubes were analyzed with both a transmission electron microscope (TEM),…

材料科学 · 物理学 2007-05-23 Z. R. Abrams , Y. Hanein