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Narrow carbon nanotubes (CNTs) desalinate water, mimicking water channels of biological membranes, yet the physics behind selectivity, especially, the effect of the membrane embedding CNTs on water and ion transfer, is still unclear. Here,…

Materials Science · Physics 2020-12-22 Vadim Neklyudov , Viatcheslav Freger

Internet-of-things (IoT) architectures connecting a massive number of heterogeneous devices need energy efficient, low hardware complexity, low cost, simple and secure mechanisms to realize communication among devices. One of the emerging…

Information Theory · Computer Science 2017-01-30 Burhan Gulbahar

We demonstrate assembly of solution processed semiconducting enriched (99%) single walled carbon nanotubes (s-SWNT) in an array with varying linear density via ac-dielectrophoresis and investigate detailed electronic transport properties of…

Mesoscale and Nanoscale Physics · Physics 2011-05-05 Biddut K. Sarker , Shashank Shekhar , Saiful I. Khondaker

A recent study [Rosati, Dolcini, and Rossi, Appl. Phys. Lett. 106, 243101 (2015)] has predicted that, while in semiconducting single-walled carbon nanotubes (SWNTs) an electronic wave packet experiences the typical spatial diffusion of…

Mesoscale and Nanoscale Physics · Physics 2015-12-25 R. Rosati , F. Dolcini , F. Rossi

Recent conductance measurements on multi-wall carbon nanotubes (CNTs) reveal an effective behavior similar to disordered single-wall CNTs. This is due to the fact that electric current flows essentially through the outermost shell and is…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 S. Krompiewski , N. Nemec , G. Cuniberti

We present a scaling analysis of electronic and transport properties of metal-semiconducting carbon nanotube interfaces as a function of the nanotube length within the coherent transport regime, which takes fully into account atomic-scale…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Yongqiang Xue , Mark A. Ratner

We theoretically analyzed transport properties of a molecular network constructed of gold nanoparticles linked with oligophenylenevinulene (OPV) molecules. We showed that the conductance of such system was strongly reduced when…

Carbon nanotubes (CNT) have a very large application potential in the rapid developing field of molecular electronics. Infinite single-wall metallic CNTs have theoretically a conductance of 4e2/h because of the two electronic bands crossing…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 N. Ranjan , R. Gutierrez-Laliga , S. Krompiewski , G. Cuniberti

We demonstrate a high electron conductivity (> 10^2 S/cm and up to 10^3 S/cm) of tungsten suboxide W18O(52.4-52.9)(or equivalently WO(2.91-2.94)) nanotubes (2 to 3 nm in diameter, ca. micrometer long). The conductivity is measured in the…

Double-walled carbon nanotubes (DWCNTs) with high graphitization have been synthesized by hydrogen arc discharge. The obtained DWCNTs have a narrow distribution of diameters of both the inner and outer tubes, and more than half of the…

Materials Science · Physics 2011-05-17 Lei Shi , Leimei Sheng , Liming Yu , Kang An , Yoshinori Ando , Xinluo Zhao

Carbon nanotubes are a good realization of one-dimensional crystals where basic science and potential nanodevice applications merge. Defects are known to modify the electrical resistance of carbon nanotubes. They can be present in as-grown…

Materials Science · Physics 2007-05-23 C. Gomez-Navarro , P. J. De Pablo , J. Gomez-Herrero , B. Biel , F. J. Garcia-Vidal , A. Rubio , F. Flores

Electronic states and transport properties of double-wall carbon nanotubes without impurities are studied in a systematic manner. It is revealed that scattering in the bulk is negligible and the number of channels determines the average…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Seiji Uryu

We report a detailed analysis of the optical properties of single wall carbon nanotubes with different mean diameters as produced by laser ablation. From a combined study of optical absorption, high resolution electron energy-loss…

Materials Science · Physics 2009-11-07 X. Liu , T. Pichler , M. Knupfer , M. S. Golden , J. Fink , H. Kataura , Y. Achiba

For terahertz (THz) wave applications, tunable and rapid modulation is highly required. When studied by means of optical pump-terahertz probe spectroscopy, single-walled carbon nanotubes (SWCNTs) thin films demonstrated ultrafast carrier…

In this letter, we report a three-dimensional (3D) quantum mechanical simulation to investigate the effects of surface roughness scattering (SRS) on the device characteristics of Si nanowire transistors (SNWTs). We treat the microscopic…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Jing Wang , Eric Polizzi , Avik Ghosh , Supriyo Datta , Mark Lundstrom

The thermal properties of a suspended metallic single-wall carbon nanotube (SWNT) are extracted from its high-bias (I-V) electrical characteristics over the 300-800 K temperature range, achieved by Joule self-heating. The thermal…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Eric Pop , David Mann , Qian Wang , Kenneth Goodson , Hongjie Dai

This study investigates into the adsorption sensing capabilities of single-walled (5,5) boron nitride nanotubes (BNNTs) towards environmental pollutant gas molecules, including CH2, SO2, NH3, H2Se, CO2 and CS2. Employing a linear…

Computational Physics · Physics 2025-11-07 Chaithanya Purushottam Bhat , Joy Mukherjee , Antara Banerjee , Debashis Bandyopadhyay

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

Heat dissipation in electrically biased semiconducting carbon nanotubes (CNTs) on single crystal quartz and amorphous SiO2 is examined with temperature profiles obtained by spatially resolved Raman spectroscopy. Despite the differences in…

Mesoscale and Nanoscale Physics · Physics 2013-02-22 Cheng-Lin Tsai , Albert Liao , Eric Pop , Moonsub Shim

The effect of purification on room temperature electronic transport properties of single-wall carbon nanotubes (SWNT) was studied by submerging samples into liquid mercury. The conductance plots of purified SWNTs showed plateaus, indicating…

Materials Science · Physics 2009-11-11 H. Kajiura , A. Nandyala , U. C. Coskun , A. Bezryadin , M. Shiraishi , M. Ata