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Related papers: Structural and phonon properties of bundled single…

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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

We report the first experimental observation of strong coupling effect in one-dimensional moir\'e crystals. We study one-dimensional double-wall carbon nanotubes (DWCNTs) in which van der Waals-coupled two single nanotubes form…

Mesoscale and Nanoscale Physics · Physics 2020-04-29 Sihan Zhao , Pilkyung Moon , Yuhei Miyauchi , Kazunari Matsuda , Mikito Koshino , Ryo Kitaura

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),…

Materials Science · Physics 2007-05-23 Z. R. Abrams , Y. Hanein

The study of the mechanical properties of nanostructured systems has gained importance in theoretical and experimental research in recent years. Carbon nanotubes (CNTs) are one of the strongest nanomaterials found in nature, with Young's…

Electrical transport through single-walled carbon nanotubes (SWNTs) is investigated by using the nearest-neighbor tight-binding model coupled with two electron reservoirs. When the SWNT-electrode coupling is not axially symmetric,…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Junko Takahashi , Shuichi Tasaki

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

This review covers recent achievements in the studies of quantum properties of the novel carbon materials (fullerite C60 and bundles of single-walled nanotubes (SWNT)) saturated with such light-mass species as helium isotopes, the…

Materials Science · Physics 2013-03-27 M. A. Strzhemechny , A. V. Dolbin

The electronic states in isolated single-wall carbon nanotubes (SWCNTs) have been considered as an ideal realization of a Tomonaga-Luttinger liquid (TLL). However, it remains unclear whether one-dimensional correlated states are realized…

Strongly Correlated Electrons · Physics 2017-01-20 Noboru Serita , Yusuke Nakai , Kazuyuki Matsuda , Kazuhiro Yanagi , Yasumitsu Miyata , Takeshi Saito , Yutaka Maniwa

The material and electrical properties of the CNT single vias and array vias grown by microwave plasma-enhanced chemical vapor deposition were investigated. The diameters of multiwall carbon nanotubes (MWNTs) grown on the bottom electrode…

Materials Science · Physics 2007-08-10 J. -H. Ting , C. -C. Chiu , F. -Y. Huang

Double-walled carbon nanotubes (DWCNTs) combined the advantages of multi-walled (MW-) and single-walled (SW-) CNTs can be obtained by transforming the precursors (e.g. fullerene, ferrocene) into thin inner CNTs inside SWCNTs as templates.…

Materials Science · Physics 2019-01-28 Lei Shi , Jinquan Wei , Kazuhiro Yanagi , Takeshi Saito , Kecheng Cao , Ute Kaiser , Paola Ayala , Thomas Pichler

The single-wall carbon nanotube (SWNT) can be a one-dimensional topological insulator, which is characterized by a $\mathbb{Z}$-topological invariant, winding number. Using the analytical expression for the winding number, we classify the…

Mesoscale and Nanoscale Physics · Physics 2019-03-13 Rin Okuyama , Wataru Izumida , Mikio Eto

We report the observation of the intrinsic magnetic susceptibility of highly purified SWCNT samples prepared by a combination of acid treatment and density gradient ultracentrifugation (DGU). We observed that the diamagnetic susceptibility…

Mesoscale and Nanoscale Physics · Physics 2015-07-03 Yusuke Nakai , Ryo Tsukada , Yasumitsu Miyata , Takeshi Saito , Kenji Hata , Yutaka Maniwa

We present a study on the kinetics of xenon desorption from single-wall carbon nanotube (SWNT) bundles using thermal desorption spectroscopy (TDS). TD-spectra from SWNT samples show a broad desorption feature peaked at significantly higher…

Condensed Matter · Physics 2009-11-07 Hendrik Ulbricht , Jennah Kriebel , Gunnar Moos , Tobias Hertel

We present a scaling analysis of electronic and transport properties of metal-semiconducting carbon nanotube interfaces as a function of the nanotube length within the coherent transport regime, which takes fully into account atomic-scale…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Yongqiang Xue , Mark A. Ratner

MD simulations based on an empirical potential energy surface were used to study the nucleation of bamboo-like carbon nanotubes (BCNTs). The simulations reveal that inner walls of the bamboo structure start to nucleate at the junction…

Materials Science · Physics 2009-11-11 Feng Ding , Kim Bolton , Arne Rosen

Physisorption studies and transmission electron microscopy have been used to characterise multi-walled carbon nanotubes (MWNTs) made by a template-synthesis technique. Microscopic investigations revealed formation of 'branched nanotubes'…

Chemical Physics · Physics 2023-05-10 M. -R. Babaa , E. Mcrae , Sandrine Delpeux , J. Ghanbaja , F. Valsaque , F. Béguin

We report on single-wall carbon nanotube (SWCNT) specific $^{13}$C isotope enrichment. The high temperature annealing of isotope enriched fullerenes encapsulated in SWCNTs yields double-wall carbon nanotubes (DWCNTs) with a high isotope…

Materials Science · Physics 2007-05-23 F. Simon , Ch. Kramberger , R. Pfeiffer , H. Kuzmany , V. Zolyomi , J. Kurti , P. M. Singer , H. Alloul

We investigate the effect of electron-phonon coupling on low temperature phases in metallic single-wall carbon nanotubes. We obtain low-temperature phase diagrams of armchair and zigzag type nanotubes with screened interactions with a…

Strongly Correlated Electrons · Physics 2018-11-14 Junichi Okamoto , Ludwig Mathey , Wen-Min Huang

The main purpose of this paper is to evaluate the self-stress state of single-wall carbon nanotubes (CNTs) and flat graphene strips (FGSs) in their natural equilibrium state, that is, the state prior to the application of external loads. We…

Materials Science · Physics 2015-03-06 Antonino Favata , Andrea Micheletti , Paolo Podio-Guidugli , Nicola Pugno

The combination of pressure and vacancy defects are investigated to find the ideal conditions that would create meaningful $sp^3$ interlinking without causing severe damage to the single-walled carbon nanotubes (SWCNTs). Naturally occurring…

Materials Science · Physics 2022-01-10 Xolani Maphisa , Robert Warmbier