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Suspended single-walled carbon nanotube devices comprised of high quality electrical contacts and two electrostatic gates per device are obtained. Compared to nanotubes pinned on substrates, the suspended devices exhibit little hysteresis…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Jien Cao , Qian Wang , Dunwei Wang , Hongjie Dai

Carbon nanofibres (CNF) were dispersed into an epoxy resin using a combination of ultrasonication and mechanical mixing. The electronic transport properties of the resulting composites were investigated by means of impedance spectroscopy.…

Materials Science · Physics 2008-02-29 Aïssa Allaoui , Suong V. Hoa , Martin D. Pugh

We report the realization and characterization of independently controllable tunnel barriers within a carbon nanotube. The nanotubes are mechanically bent or kinked using an atomic force microscope, and top gates are subsequently placed…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 M. J. Biercuk , N. Mason , J. M. Chow , C. M. Marcus

The recently reported experimental optical spectra of double-walled carbon nanotubes exhibit more peaks than it could be expected based on the layers alone. The appearance of excess peaks has been attributed to the interlayer interaction.…

Mesoscale and Nanoscale Physics · Physics 2020-08-12 Valentin N. Popov

The magnetoconductance of p-n junctions formed in clean single wall carbon nanotubes is studied in the noninteracting electron approximation and perturbatively in electron-electron interaction, in the geometry where a magnetic field is…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 A. V. Andreev

We report on the nano-electron beam assisted fabrication of atomically sharp iron-based tips and on the creation of a nano-soldering iron for nano-interconnects using Fe-filled multiwalled carbon nanotubes (MWCNTs). High energy electron…

Materials Science · Physics 2008-04-08 A. Misra , C. Daraio

A review of nanostructured materials synthesized by colloidal chemistry for electronic applications

Materials Science · Physics 2015-07-20 Christian Klinke

The high aspect ratio of carbon nanotubes makes them prone to bending. To know how bending affects the tubes is therefore crucial for tube identification and for electrical component design. Very few studies, however, have investigated…

Mesoscale and Nanoscale Physics · Physics 2010-11-24 Pekka Koskinen

We report on conductance measurements in carbon nanotube based double quantum dots connected to two normal electrodes and a central superconducting finger. By operating our devices as beam splitters, we provide evidence for Crossed Andreev…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 L. G. Herrmann , F. Portier , P. Roche , A. Levy Yeyati , T. Kontos , C. Strunk

This paper describes the behavior of top gated transistors fabricated using carbon, particularly epitaxial graphene on SiC, as the active material. In the past decade research has identified carbon-based electronics as a possible…

Density functional methods have been used to calculate the electronic properties of aligned smalldiameter single-walled carbon nanotubes under hydrostatic pressures. Abrupt pressure induced semiconductor-metal and metal-semiconductor…

Materials Science · Physics 2008-08-27 Sumit Saxena , Trevor A. Tyson

There is a strong interest to attach nanoparticles non-covalently to one-dimensional systems like boron nitride nanotubes to form composites. The combination of those materials might be used for catalysis, in solar cells, or for water…

Mesoscale and Nanoscale Physics · Physics 2017-02-01 Mirjam Volkmann , Michaela Meyns , Rostyslav Lesyuk , Hauke Lehmann , Christian Klinke

We show that carbon nanotube transistors exhibit scaling that is qualitatively different than conventional transistors. The performance depends in an unexpected way on both the thickness and the dielectric constant of the gate oxide.…

Materials Science · Physics 2009-11-10 S. Heinze , M. Radosavljevic , J. Tersoff , Ph. Avouris

A single-walled carbon nanotube presents a seamless cylindrical graphene surface and is thus an ideal adsorption substrate for investigating the physics of atoms and molecules in two dimensions and approaching the one-dimensional limit.…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Boris Dzyubenko , Hao-Chun Lee , Oscar E. Vilches , David H. Cobden

Driven by the pursuit of high-performance electronic devices, research into novel materials with properties appropriate for cryogenic applications has unveiled the exceptional properties of the rare-earth nitride series of intrinsic…

Materials Science · Physics 2025-05-22 W. F. Holmes-Hewett , J. D. Miller , H. G. Ahmad , S. Granville , B. J. Ruck

We present an investigation of different thin-film evaporated ferromagnetic materials for their suitability as electrodes in individual single-wall and multi-wall carbon nanotube-based spin devices. Various electrode shapes made from…

Mesoscale and Nanoscale Physics · Physics 2011-10-26 D. Preusche , S. Schmidmeier , E. Pallecchi , Ch. Dietrich , A. K. Huettel , J. Zweck , Ch. Strunk

The interactions between carbon nanotubes (CNTs) and metal adatoms as well as metal contacts are studied by means of ab initio electronic structure calculations. We show that the electronic properties of a semiconducting (8,4) CNT can be…

Mesoscale and Nanoscale Physics · Physics 2017-07-04 F. Fuchs , A. Zienert , C. Wagner , J. Schuster , S. E. Schulz

We study theoretically, two doped Carbon nanotubes connected via a chemically active bond as the basic elementary gate for a recent proposal for qubit teleportation in the solid--state. We show that such a system provides the necessary…

Other Condensed Matter · Physics 2007-05-23 Abraham O. Alaka

Understanding and controlling polyelectrolyte adsorption onto carbon nanotubes is a fundamen- tal challenge in nanotechology. Polyelectrolytes have been shown to stabilise nanotube suspensions through adsorbing onto the nanotube surface,…

Soft Condensed Matter · Physics 2018-01-18 Alpha A. Lee , Sarah V. Kostinski , Michael P. Brenner

Nanoscale electronic devices are of great interest for all kinds of applications like switching, energy conversion and sensing. The objective of this chapter, however, is not to discuss specific devices or applications. Rather it is to…

Mesoscale and Nanoscale Physics · Physics 2008-11-03 Supriyo Datta