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Related papers: Local gating of carbon nanotubes

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Laser-assisted chemical vapour deposition (CVD) growth is an attractive mask-less process for growing locally aligned carbon nanotubes (CNTs) in selected places on temperature sensitive substrates. The nature of the localized process…

Chemical Physics · Physics 2017-09-13 Yoeri van de Burgt , Yves Bellouard , Rajesh Mandamparambil

We present a simple and scalable technique for the fabrication of solution processed & local gated carbon nanotube field effect transistors (CNT-FETs). The approach is based on directed assembly of individual single wall carbon nanotube…

Materials Science · Physics 2009-11-13 Paul Stokes , Saiful I. Khondaker

Growth of carbon nanotubes (CNTs) was performed by atmospheric pressure chemical vapour deposition (APCVD) of propane on Si(111) with a pre-treated Ni overlayer acting as a catalyst. Prior to the growth of CNTs, a thin film of Ni was…

Materials Science · Physics 2019-06-04 J Sengupta , SK Panda , C Jacob

In this study, the synthesis of multi-walled carbon nanotubes (MWCNTs) was carried out by chemical vapor deposition (CVD) using propane as the carbon source and Si as the catalyst support. The effect of CVD process variables such as…

Applied Physics · Physics 2018-08-21 Joydip Sengupta

Careful research on different materials reveals that the material properties are mostly affected by the size of it. Material size down to nanometer scale exhibits some remarkable properties, resulting in unique physical and chemical…

Applied Physics · Physics 2019-09-04 Joydip Sengupta

Fe filled carbon nanotubes were synthesized by atmospheric pressure chemical vapor deposition using a simple mixture of iron acetylacetonate with a conventional photoresist and the effect of growth temperature from 550 to 950 {\deg}C on Fe…

Applied Physics · Physics 2020-04-28 Joydip Sengupta , Avijit Jana , N. D. Pradeep Singh , Chacko Jacob

The effect of Fe and Ni catalysts on the synthesis of carbon nanotubes (CNTs) using atmospheric pressure chemical vapor deposition (APCVD) was investigated. Field emission scanning electron microscopy (FESEM) analysis suggests that the…

Materials Science · Physics 2019-08-02 J. Sengupta , C. Jacob

A simple process for chemical vapor deposition of ultra SD single wall carbon nanotubes has been developed. In this process, an iron nitrate nonahydrate solution in isopropyl alcohol with a concentration of 400 ug/mlit was used to catalyze…

Mesoscale and Nanoscale Physics · Physics 2012-07-17 Nima Arjmandi , Pejhman Sasanpour , Bijan Rashidian

Chemical vapor deposition synthesis of single-walled carbon nanotubes experiments, using Fe catalyst, and alternating methane and carbon monoxide as carbon feedstocks, lead to the reversible formation of junctions between tubes of different…

We report a process to fabricate carbon nanotubes (CNT) by chemical vapor deposition at predetermined location. This process was enabled by patterning catalyst nanoparticles directly on silicon substrates with nanometer-scale precision…

Materials Science · Physics 2010-10-01 Irma Kuljanishvili , Dmitriy A. Dikin , Sergey Rozhok , Scott Mayle , Venkat Chandrasekhar

Using first principles calculations, we model the chemical vapor deposition (CVD) growth of carbon nanotubes (CNT) on nanoparticles of late transition (Ni, Pd, Pt) and coinage (Cu, Ag, Au) metals. The process is analyzed in terms of the…

Materials Science · Physics 2008-04-17 Oleg V. Yazyev , Alfredo Pasquarello

We report the observation of thermally driven mechanical vibrations of suspended doubly clamped carbon nanotubes, grown by chemical vapor deposition (CVD). Several experimental procedures are used to suspend carbon nanotubes. The vibration…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 B. Babic , J. Furer , S. Sahoo , Sh. Farhangfar , C. Schonenberger

A fabrication method for positioning and embedding a single-walled carbon nanotube (SWNT) across the diameter of a solid state nanopore is presented. Chemical vapor deposition (CVD) is used to grow SWNTs over arrays of focused ion beam…

Biological Physics · Physics 2013-08-07 E. S. Sadki , S. Garaj , D. Vlassarev , J. A. Golovchenko , D. Branton

A mechanically bistable single-walled carbon nanotube can act as a variable-shaped capacitor with a voltage-controlled transition between collapsed and inflated states. This external control parameter provides a means to tune the system so…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Oleg E. Shklyaev , Eric Mockensturm , Vincent H. Crespi

Single-walled carbon nanotubes (SWCNTs) are promising for nanoscale electronics and photonics, but practical deployment requires chirality control. Most catalytic chemical vapor deposition (CCVD) growth of SWCNTs proceeds on liquid metal…

Materials Science · Physics 2026-02-20 Daniel Hedman

Using carbon nanotubes (CNTs) produced by chemical vapor deposition, we have explored different strategies for the preparation of carbon nanotube devices suited for electrical and mechanical measurements. Though the target device is a…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 B. Babic , J. Furer , M. Iqbal , C. Schonenberger

The synthesis of double-wall carbon nanotubes (DWCNTs) with highly unperturbed inner shells is reported using the catalytic vapor deposition method. Temperature dependent and high resolution Raman measurements show an enhanced phonon…

Materials Science · Physics 2015-06-25 F. Simon , A. Kukovecz , Z. Konya , R. Pfeiffer , H. Kuzmany

This investigation deals with the effect of growth temperature on the growth behavior of Fe filled multiwalled carbon nanotubes (MWCNTs). Carbon nanotube (CNT) synthesis was carried out in a thermal chemical vapor deposition (CVD) reactor…

Materials Science · Physics 2019-08-07 Joydip Sengupta , Chacko Jacob

The surface reconstruction of the Fe catalyst films due to high temperature processing in hydrogen prior to nanotube nucleation and its effect on the growth morphologies of partially filled carbon nanotubes (CNTs) synthesized using…

Applied Physics · Physics 2020-04-27 Joydip Sengupta , Chacko Jacob

Ever since the landmark discovery of single-walled carbon nanotubes (SWNTs) in 1993, they have been considered as ideal materials for any kind of application based on their outstanding properties (e.g. mechanical strength, thermal…

Materials Science · Physics 2007-08-13 S. Inoue , T. Nakajima , K. Nomura , Y. Kikuchi
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