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We report a method for probing electromechanical properties of multiwalled carbon nanotubes(CNTs). This method is based on AFM measurements on a doubly clamped suspended CNT electrostatically deflected by a gate electrode. We measure the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 R. Lefevre , M. F. Goffman , V. Derycke , C. Miko , L. Forro , J. P. Bourgoin , P. Hesto

The electronic and transport properties of (10, 0) single-walled carbon nanotube are studied by performing the first-principles calculations and semi-classical Boltzmann theory. It is found that the (10, 0) tube exhibits considerably large…

Mesoscale and Nanoscale Physics · Physics 2016-01-06 P. H. Jiang , H. J. Liu , D. D. Fan , L. Cheng , J. Wei , J. Zhang , J. H. Liang , J. Shi

We have fabricated single electron tunneling structures by forming nanogap metallic electrodes directly upon single self-assembled InAs quantum dots (QDs). The fabricated samples exhibited clear Coulomb blockade effects. Furthermore, a…

Mesoscale and Nanoscale Physics · Physics 2008-08-20 K. Shibata , K. Hirakawa

We use a simultaneous flow of ethylene and hydrogen gases to grow single wall carbon nanotubes by chemical vapor deposition. Strong coupling to the gate is inferred from transport measurements for both metallic and semiconducting tubes. At…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Bakir Babic , Mahdi Iqbal , Christian Schonenberger

Metal catalysts supporting the growth of Single Wall Carbon Nanotubes display different carbon solubilities and chemical reactivities. In order to specifically assess the role of carbon solubility, we take advantage of the physical…

Materials Science · Physics 2017-02-23 Juan-Manuel Aguiar-Hualde , Yann Magnin , Hakim Amara , Christophe Bichara

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…

Carbon nanotubes provide a new class of molecular wires that display new and exciting mesoscopic transport properties. We provide a detailed theoretical description for transport in multi-wall nanotubes, where both disorder and strong…

Strongly Correlated Electrons · Physics 2009-11-07 R. Egger , A. O. Gogolin

Exploring various topological states (TS) and topological phase transitions (TPT) has attracted great attention in condensed matter physics. However, so far, there is rarely a typical material system that can be used as a platform to study…

Materials Science · Physics 2024-03-15 Yan Gao , Yu Du , Yun-Yun Bai , Weikang Wu , Qiang Wang , Yong Liu , Kai Liu , Zhong-Yi Lu

We have performed low-temperature scanning tunneling spectroscopy measurements on suspended single-wall carbon nanotubes with a gate electrode allowing three-terminal spectroscopy measurements. These measurements show well-defined Coulomb…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 B. J. LeRoy , J. Kong , V. K. Pahilwani , C. Dekker , S. G. Lemay

Hybrid circuit quantum electrodynamics (QED) involves the study of coherent quantum physics in solid state systems via their interactions with superconducting microwave circuits. Here we present an implementation of a hybrid superconducting…

We report on the synthesis of carbon nanotubes on quasicrystalline alloys. Aligned multiwalled carbon nanotubes (MWNTs) on the conducting faces of decagonal quasicrystals were synthesized using floating catalyst chemical vapor deposition.…

The universal features of quantized thermal conductance of carbon nanotubes (CNTs) are revealed through theoretical analysis based on the Landauer theory of heat transport. The phonon-derived thermal conductance of semiconducting CNTs…

Materials Science · Physics 2009-11-10 Takahiro Yamamoto , Satoshi Watanabe , Kazuyuki Watanabe

Tensile tests at room temperature are performed using molecular dynamics on all configurations of single-walled carbon nanotubes up to 4 nm in diameter. Distributions of the Young's modulus, Poisson's ratio, ultimate tensile strength and…

Applied Physics · Physics 2021-09-08 Marko Canadija

Super-aligned carbon nanotube (CNT) films have intriguing anisotropic thermal transport properties due to the anisotropic nature of individual nanotubes and the important role of nanotube alignment. However, the relationship between the…

Applied Physics · Physics 2020-02-06 Wei Yu , Xinpeng Zhao , Puqing Jiang , Changhong Liu , Ronggui Yang

With molecular dynamics simulations, we demonstrate very obvious thermal rectification in large temperature range from 200 to 400 K in nanocone. We also observe that the rectification of nanocone does not depend on the length very…

Mesoscale and Nanoscale Physics · Physics 2009-06-08 Nuo Yang , Gang Zhang , Baowen Li

The ability to tune the thermal resistance of carbon nanotube mechanical supports from insulating to conducting could permit the next generation of thermal management devices. Here, we demonstrate fabrication techniques for carbon nanotube…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Kamal H. Baloch , Norvik Voskanian , John Cumings

The superconducting properties of carbon nanotube ropes are studied using a new computational framework that incorporates the renormalization of intratube interactions and the effect of intertube Coulomb screening. This method allows to…

Strongly Correlated Electrons · Physics 2009-11-10 J. V. Alvarez , J. Gonzalez

The current research work encompasses design modelling and fabrication of vertically aligned nanowire metal oxide semiconductor based voltage tunable quantum dot devices for optoelectronic applications. A novel device scheme is proposed for…

Applied Physics · Physics 2023-05-11 Subhrajit Sikdar

Semiconductor quantum dots (QDs) are being regarded as the primary unit for a wide range of advanced and emerging technologies including electronics, optoelectronics, photovoltaics and biosensing applications as well as the domain of q-bits…

Mesoscale and Nanoscale Physics · Physics 2021-06-02 Subhrajit Sikdar , Basudev Nag Chowdhury , Rajib Saha , Sanatan Chattopadhyay

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
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