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This study sequentially investigates the enhancement of fracture behavior in adhesive joints. Initially, mechanical sanding techniques were explored, revealing significant improvements of 55% in fracture energy and 38% in load-bearing…

Materials Science · Physics 2024-06-24 Roohollah Nazari , Rashid Hakimi , Mohammad Daneshfar , Behnam Talebi

Efforts aimed at large-scale integration of nanoelectronic devices that exploit the superior electronic and mechanical properties of single-walled carbon nanotubes (SWCNTs) remain limited by the difficulties associated with manipulation and…

We study quantum optical properties of the single-walled carbon nanotube (SWCNT) by introducing the effective interaction between the quantized electromagnetic field and the confined electrons in the SWCNT. Our purpose is to explore the…

Mesoscale and Nanoscale Physics · Physics 2009-04-30 Z. L. Guo , Z. R. Gong , C. P. Sun

The study of the G-mode pressure coefficients of carbon nanotubes, reflecting the stiff sp2 bond pressure dependence, is essential to the understanding of their extraordinary mechanical properties as well as fundamental mechanics. However,…

Materials Science · Physics 2015-02-18 Y. W. Sun , I. Hernandez , J. Gonzalez , K. Scott , K. J. Donovan , A. Sapelkin , F. Rodriguez , D. J. Dunstan

We study the dynamics of transverse oscillations of a suspended carbon nanotube into which current is injected from the tip of a scanning tunneling microscope (STM). In this case the correlations between the displacement of the nanotube and…

Mesoscale and Nanoscale Physics · Physics 2011-05-12 Fabio Santandrea

The controlled functionalization of single-walled carbon nanotubes with luminescent sp3-defects has created the potential to employ them as quantum-light sources in the near-infrared. For that, it is crucial to control their spectral…

Molecular dynamics (MD) simulations of equilibrium structures and flows of polar water, nonpolar argon and methane, and mixtures of water and methane confined by single - walled carbon nanotubes (SWCNTs) with different rectangular cross…

Mesoscale and Nanoscale Physics · Physics 2018-12-27 L. V. Mirantsev , A. K. Abramyan

The relaxation of twist in elastic filaments often drives conformational changes. We explore this paradigm using all-atom computations and report the formation of novel supercoiled shapes in individual carbon nanotubes (CNTs). Decreasing…

Mesoscale and Nanoscale Physics · Physics 2014-10-28 Alireza Shahabi , Moneesh Upmanyu

The effects of charge doping on the structural deformation and on the electronic structure of armchair single wall carbon nanotube (SWNT) bundles are investigated through first-principles calculations. In particular, we select a (6; 6) SWNT…

Materials Science · Physics 2017-04-25 Nguyen T. Hung , Ahmad R. T. Nugraha , Riichiro Saito

Single walled carbon nanotube's cross section can be flattened under hydrostatic pressure. One example is the cross section of a single walled carbon nanotube successively deforms from the original round shape to oval shape, then to…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Weihua Mu , Jianshu Cao , Zhong-can Ou-Yang

The ground-state exciton binding energy for single-walled carbon nanotubes (SWCNTs) in vacuum calculated ignoring the screening of Coulomb interaction appears to be much greater than the corresponding band gap. The most essential…

Other Condensed Matter · Physics 2010-11-18 Vadym M. Adamyan , Oleksii A. Smyrnov , Sergey V. Tishchenko

The recent development of efficient chirality sorting techniques has opened the way to the use of single-walled carbon nanotubes (SWCNTs) in a plethora of nanoelectronic, photovoltaic, and optoelectronic applications. However, to understand…

Mesoscale and Nanoscale Physics · Physics 2019-12-25 María Rosa Preciado-Rivas , Victor Alexander Torres-Sánchez , Duncan J. Mowbray

We present a theoretical study of the role of the local environment in the electronic properties of carbon nanotubes: isolated single- and multi-wall nanotubes, nanotube-ropes, tubes supported on gold and cutted to finite length.…

Materials Science · Physics 2009-10-31 Angel Rubio

Nonreciprocity of supercurrents may exist when both spatial inversion and time-reversal symmetries are broken, leading to the supercurrent diode effect (SDE). The spatial inversion symmetry may be broken by chiral structures in nanotubes…

Superconductivity · Physics 2024-12-20 Chuang Li , James Jun He

Carbon Nanotubes (CNTs)-polymer composites are promising candidates for a myriad of applications. Ad-hoc CNTs-polymer composite fabrication techniques inherently pose roadblock to optimized processing resulting in microstructural defects…

In this article, we report band structure studies of zigzag graphene nanoribbons (ZGNRs) on introducing defects (sp_3 hybridized carbon atoms) in different concentrations at edges by varying the ratio of sp_3 to sp_2 hybridized carbon…

Mesoscale and Nanoscale Physics · Physics 2018-03-19 Payal Wadhwa , Shailesh Kumar , T. J. Dhilip Kumar , Alok Shukla , Rakesh Kumar

Having access to the chemical environment at the atomic level of a dopant in a nanostructure is crucial for the understanding of its properties. We have performed atomically-resolved electron energy-loss spectroscopy to detect individual…

We consider the effect of various defects and boundary structures on the low energy electronic properties in conducting zigzag and armchair carbon nanotubes. The tight binding model of the conduction bands is mapped exactly onto simple…

Mesoscale and Nanoscale Physics · Physics 2010-10-20 Sebastian A. Reyes , Alexander Struck , Sebastian Eggert

We develop a continuous theory of low-frequency dynamics for nanotubes with truly two-dimensional (2D) walls constituted by single-atom monolayer. In this frame topological bending elasticity of the monolayer is not related to its vanishing…

Materials Science · Physics 2015-06-16 S. B. Rochal , V. L. Lorman , Yu. I. Yuzyuk

We calculated the effects of structural distortions on the electronic structure of carbon nanotubes. The key modification of the electronic structure brought about by bending a nanotube involves an increased mixing of $\sigma$ and…

Materials Science · Physics 2019-08-17 Alain Rochefort , Dennis R. Salahub , Phaedon Avouris