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Related papers: Hydrogen adsorption on Na-SWCNT systems

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High-performance solution-processed short-channel carbon nanotube (CNT) thin film transistors (TFTs) are fabricated using densely aligned arrays of metallic CNTs (m-CNTs) as source and drain electrodes, and aligned arrays of semiconducting…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Biddut K. Sarker , Narae Kang , Saiful I. Khondaker

The effect of hydrogen adsorption on the magnetic properties of an Fe$_3$ cluster immersed in a Cu(111) surface has been calculated using densifty functional theory and the results used to parametrize an Alexander-Anderson model which takes…

Mesoscale and Nanoscale Physics · Physics 2013-12-16 Pavel F. Bessarab , Valery M. Uzdin , Hannes Jónsson

In the present work we propose "nanofluid filled enclosures" as potential photo-thermal energy conversion and sensible heat storage devices. Herein, the optical charging of the nanofluid has been modeled as "solar radiant energy -…

Applied Physics · Physics 2022-03-15 Inderpreet Singh , Satbir Singh Sehgal , Vikrant Khullar

Structure transformation by heat treatment in single-walled carbon nanotubes (SWCNT) is investigated using molecular dynamics simulation. The critical temperature for the collapse of pure SWCNT is as high as 4655 K due to strong covalent…

Materials Science · Physics 2010-09-03 Jin-Wu Jiang , Jian-Sheng Wang

We present a general approach to the computational design of nanostructured chemical sensors. The scheme is based on identification and calculation of microscopic descriptors (design parameters) which are used as input to a thermodynamic…

The properties of excitons in semiconducting single-walled carbon nanotubes (SWCNTs), isolated in vacuum or a medium, and their contributions to the optical spectra of nanotubes are studied within the elementary potential model, in which an…

Materials Science · Physics 2010-12-15 Oleksii A. Smyrnov

The dynamical conductance of electrically contacted single-walled carbon nanotubes is measured from dc to 10 GHz as a function of source-drain voltage in both the low-field and high-field limits. The ac conductance of the nanotube itself is…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Z. Yu , P. J. Burke

A method is introduced to isolate and measure the electrical transport properties of individual single-walled carbon nanotubes (SWNTs) aligned on an ST-cut quartz, from room temperature down to 2 K. The diameter and chirality of the…

Mesoscale and Nanoscale Physics · Physics 2014-08-26 Tohru Watanabe , El-Hadi S. Sadki , Takahide Yamaguchi , Yoshihiko Takano

Semiconducting single-walled carbon nanotubes (SWCNTs) are a promising thermoelectric material with high power factors after chemical p- or n-doping. Understanding the impact of dopant counterions on charge transport and thermoelectric…

Sodium-ion batteries exhibit significant promise as a viable alternative to current lithium-ion technologies owing to their sustainability, low cost per energy density, reliability, and safety. Despite recent advancements in cathode…

We theoretically study the magnetoresistance of single wall carbon nanotubes (SWCNTs) in the ballistic transport regime, using a standard tight-binding approach. The main attention is directed to spin-polarized electrical transport in the…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 S. Krompiewski , Gianaurelio Cuniberti

We use DFT to study the effect of molecular adsorbates on the conductance of metallic carbon nanotubes. The five molecules considered (NO2, NH2, H, COOH, OH) lead to similar scattering of the electrons. The adsorption of a single molecule…

Mesoscale and Nanoscale Physics · Physics 2008-10-02 Juan Maria Garcia-Lastra , Kristian S. Thygesen , Mikkel Strange , Angel Rubio

We present a novel floating catalyst synthesis route for individual, i.e. non-bundled, small diameter single-walled carbon nanotubes (SWCNTs) with a narrow chiral angle distribution peaking at high chiralities near the armchair species. An…

We show that non-damped acoustic plasmons exist in single wall carbon nanotubes (SWCNT) and propose that the non-damped acoustic plasmons may mediate electron-electron attraction and result in superconductivity in the SWCNT. The…

Superconductivity · Physics 2007-05-23 Zheng-Mao Sheng , Guoxiang Huang

Structural and thermal characteristics of crystalline ropes of single-wall carbon nanotubes (SWCNTs) are investigated. Novel crystalline ropes of polygonized SWCNTs produced by laser irradiation exhibit rounded-hexagonal cross sections in…

Materials Science · Physics 2015-10-28 M. J. Lopez , A. Rubio , J. A. Alonsos

The Order (N) Tight Binding Molecular Dynamics (TBMD) algorithms applied to simulate the tensile elongations of short (2-2.5 nm) armchair and zigzag Single Walled Carbon Nanotubes (SWCNTs) without bond breakings or defect formation.…

Materials Science · Physics 2013-01-15 Gulay Dereli , Banu Sungu Misirlioglu , Onder Eyecioglu , Necati Vardar

We analyze transport in metallic single-wall carbon nanotubes (SWNTs) on insulating substrates over the bias range up to electrical breakdown in air. To account for Joule self-heating, a temperature-dependent Landauer model for electrical…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Eric Pop , David Mann , Kenneth Goodson , Hongjie Dai

The electronic breakdown and the bias dependence of the conductance have been investigated for a large number of catalytic chemical vapor deposition (CCVD) grown single-walled carbon nanotubes (SWCNTs) with very small diameters. The…

Materials Science · Physics 2009-11-10 R. V. Seidel , A. P. Graham , B. Rajasekharan , E. Unger , M. Liebau , G. S. Duesberg , F. Kreupl , W. Hoenlein

Pulsed laser-deposited amorphous carbon nanofoams are potential candidate for electrochemical energy storage applications due to ultra-light weight, large volumetric void fractions, and co-existence of sp, sp2 and sp3 carbon hybridization.…

The work presents a comprehensive methodology to determine the Shielding Effectiveness (SE) of single-walled carbon nanotubes (SWCNTs)/polymer nanocomposites. Here, an algorithm based on Ant Colony Optimization (ACO) was employed to…

Applied Physics · Physics 2017-12-25 M. Sidhaarth , R. Suriyanarayanan , G. Srigovindan , R. Thiruvengadathan