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A simple method combining photolithography and shadow (or angle) evaporation is developed to fabricate single-walled carbon nanotube (SWCNT) devices with tube lengths L~10-50 nm between metal contacts. Large numbers of such short devices…

Materials Science · Physics 2009-11-10 Ali Javey , Pengfei Qi , Qian Wang , Hongjie Dai

Carbon nanotubes have emerged as a possible new material for electronic applications. They show promising characteristics for transistors as well as for interconnects. Here we review their basic properties and focus on the status of…

Materials Science · Physics 2007-05-23 Franz Kreupl , Andrew P. Graham , Maik Liebau , Georg S. Duesberg , Robert Seidel , Eugen Unger

Based on density functional theory calculations, we here show that the formation of a fullerene C$_{60}$ carbon "nanobud" (CNB) on carbon nanotube (CNT) caps is energetically more favorable than that on CNT sidewalls. The dominant CNB…

Mesoscale and Nanoscale Physics · Physics 2016-02-17 Ji Il Choi , Hyo Seok Kim , Han Seul Kim , Ga In Lee , Jeung Ku Kang , Yong-Hoon Kim

To construct reliable material platforms and to uncover new rules to realize spin-Seebeck effect (SSE) and thermal spin-filtering effect (SFE) are core topics in spin caloritronics. Here we design several single-layer boron-nitrogen…

Mesoscale and Nanoscale Physics · Physics 2018-09-26 Dan-Dan Wu , Hua-Hua Fu , Qing-Bo Liu , Gui-Fang Du , Ruqian Wu

We fabricate and characterize carbon-fiber tips for their use in combined scanning tunneling and force microscopy based on piezoelectric quartz tuning fork force sensors. An electrochemical fabrication procedure to etch the tips is used to…

Boron-doped multi-walled carbon nanotubes (MWNTs) were synthesized using a methanol solution of boric acid as a source material. Accurate measurements of the electrical resistivity of an individual boron-doped MWNT was performed with a…

This paper is the first one of a series of two articles in which we revisit the optical properties of single-walled carbon nanotubes (SWNT). Produced by rolling up a graphene sheet, SWNT owe their intriguing properties to their cylindrical…

Mathematical Physics · Physics 2018-11-30 Morten Rasmussen , Benjamin Ricaud , Baptiste Savoie

The susceptibility to delamination is one of the main concerns in fiber reinforced polymer composites (FRPs). This work demonstrates improvements of 60% in Mode-I fracture toughness after integration of thin (~30 micron), continuous veils…

Applied Physics · Physics 2019-07-15 Yunfu Ou , Carlos González , Juan José Vilatela

The low-energy electronic structure of metallic single-walled carbon nanotube (SWNT) in an external electric field perpendicular to the tube axis is investigated. Based on tight-binding approximation, a field-induced energy gap is found in…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Xin Zhou , Hu Chen , Ou-Yang Zhong-can

Although individual carbon nanotubes (CNTs) are superior as constituents to polymer chains, the mechanical and thermal properties of CNT fibers (CNTFs) remain inferior to commercial synthetic fibers due to the lack of synthesis methods to…

Fluid and ionic transport at nanoscale recently highlighted a wealth of exotic behaviours. However, the artificial nanofluidic devices are still far from the advanced functionalities existing in biological systems, such as electrically and…

Mesoscale and Nanoscale Physics · Physics 2020-11-13 Alice Marcotte , Timothée Mouterde , Antoine Niguès , Alessandro Siria , Lydéric Bocquet

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

Carbon Nanotubes have shown to be an attractive option in the race to find a replacement to silicon-based transistors, due to its high electrical conductivity, extraordinary mechanical strength, and thermal conductivity. However, challenges…

We propose a device which implements a solid-state nanostructured electron entangler. It consists of a single-walled carbon nanotube connected at both end to normal state electrodes and coupled in its middle part to a superconducting…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 V. Bouchiat , N. Chtchelkatchev , D. Feinberg , G. B. Lesovik , T. Martin , J. Torres

Materials comprising carbon nanotube (CNT) aligned nanowire (NW) polymer nanocomposites (A-PNCs) are emerging as next-generation materials for use in aerospace structures. Enhanced operating regimes, such as operating temperatures, motivate…

Applied Physics · Physics 2017-12-19 Itai Y. Stein , Hanna M. Vincent , Stephen A. Steiner , Elena Colombini , Brian L. Wardle

The field emission properties of ion irradiated multiwalled carbon nanotubes (MWCNTs) and doublewalled carbon nanotubes (DWCNTs) have been studied. The carbon nanotubes synthesized by a chemical vapor deposition method were irradiated by…

Materials Science · Physics 2014-04-28 P. M. Koinkar , A. Kumar , D. K. Avasthi , M. A. More , Ri-ichi Murakami

Density functional calculations were performed to systematically study a series of finite and infinite cluster-assembled silicon nanotubes (SiNTs). One-dimensional SiNTs can be prepared by proper assembly of hydrogenated cage-like silicon…

Mesoscale and Nanoscale Physics · Physics 2019-08-17 Lingju Guo , Xiaohong Zheng , Chunsheng Liu , Zhi Zeng

We use a multiscale procedure to derive a simple continuum model of multiwalled carbon nanotubes that takes into account both strong covalent bonds within graphene layers and weak bonds between atoms in different layers. The model predicts…

Materials Science · Physics 2008-06-09 Dmitry Golovaty , Shannon Talbott

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 present communication highlights that ac conductivity measurement of the multi-walled carbon nanotubes (MWNTs)-polymer composites is a very promising characterizing tool for qualifying any crude MWNT-sample synthesized by electric arc.…

Materials Science · Physics 2007-09-26 Soumen Karmakar , Harshada Nagar , J P Jog , S V Bhoraskar , A K Das