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Nanofluids are suspensions of nanoparticles and fibers which have recently attracted much attention due to their superior thermal properties. Here, nanofluids are studied in the sense of nanofins transversally attached to a surface, so that…

Mesoscale and Nanoscale Physics · Physics 2010-11-23 Eliodoro Chiavazzo , Pietro Asinari

We study contact effects on electron transport across a molecular wire sandwiched between two semi-infinite (carbon) nanotube leads as a model for nanoelectrodes. Employing the Landauer scattering matrix approach we find that the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 G. Fagas , G. Cuniberti , K. Richter

We present quantum transport measurements of interacting parallel quantum dots formed in the strands of a carbon nanotube rope. In this molecular quantum dot system, transport is dominated by one quantum dot, while additional resonances…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Karin Goß , Martin Leijnse , Sebastian Smerat , Maarten R. Wegewijs , Claus M. Schneider , Carola Meyer

We report on electrical transport measurements through a carbon nanotube quantum dot coupled to a normal and a superconducting lead. The ratio of Kondo temperature and superconducting gap $T_{K}/\Delta$ is identified to govern the transport…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 M. R. Graeber , T. Nussbaumer , W. Belzig , T. Kontos , C. Schoenenberger

Carbon nanotube (CNT) wires approach copper's specific conductivity and surpass carbon fiber's strength, with further improvement anticipated with greater aspect ratios and incorporation of dopants with long-range structural order.…

We present a new mechanism of carbon nanotube superconductivity that originates from edge states which are specific to graphene. Using on-site and boundary deformation potentials which do not cause bulk superconductivity, we obtain an…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 K. Sasaki , J. Jiang , R. Saito , S. Onari , Y. Tanaka

We investigate the thermal conductivity of four types of deformed carbon nanotubes by using the nonequilibrium molecular dynamics method. It is reported that various deformations have different influence on the thermal properties of carbon…

Mesoscale and Nanoscale Physics · Physics 2015-05-30 Wei-Rong Zhong , Mao-Ping Zhang , Dong-Qin Zheng , Bao-Quan Ai

Nanoporous materials have the potential to be used as \emph{molecular sieves} to separate chemical substances in a mixture via selective adsorption and kinetic sieving. The separation of isotopologues is also possible via the so-called…

Mesoscale and Nanoscale Physics · Physics 2021-09-15 Manel Mondelo-Martell , Fermín Huarte-Larrañaga

The interaction of double wall carbon nanotubes (DWCNTs) and the conducting polymer poly(3,4-ethylenedioxythiphene/polystyrenesulfonate (PEDOT/PSS) was studied by in-situ Raman spectroelectrochemistry. The mixing of DWCNTs with PEDOT/PSS…

Materials Science · Physics 2021-07-26 Martin Kalbáč , Ladislav Kavan , Lothar Dunsch

Measurements of optical properties at nanometre-level are of central importance for characterization of optoelectronic device. It was, however, hardly possible for the conventional light-probe measurements to determine the local optical…

Materials Science · Physics 2018-12-21 Ryosuke Senga , Thomas Pichler , Yohei Yomogida , Takeshi Tanaka , Hiromichi Kataura , Kazu Suenaga

We report electrical transport measurements on individual disordered carbon nanotubes, grown catalytically in a nanoporous anodic aluminum oxide template. In both as-grown and annealed types of nanotubes, the low-field conductance shows as…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 D. P. Wang , D. E. Feldman , B. R. Perkins , A. J. Yin , G. H. Wang , J. M. Xu , A. Zaslavsky

We study the two-terminal transport properties of a metallic single-walled carbon nanotube with good contacts to electrodes, which have recently been shown [W. Liang et al, Nature 441, 665-669 (2001)] to conduct ballistically with weak…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Claudia S. Peca , Leon Balents , Kay Wiese

Various proteins adsorb spontaneously on the sidewalls of acid-oxidized single-walled carbon nanotubes. This simple non-specific binding scheme can be used to afford non-covalent protein-nanotube conjugates. The proteins are found to be…

Other Condensed Matter · Physics 2007-05-23 Nadine Wong Shi Kam , Hongjie Dai

Motivated by the ever-improving performance of deep learning techniques, we design a mixed input convolutional neural network approach to predict transport properties in deformed nanoscale materials using a height map of deformations (from…

Mesoscale and Nanoscale Physics · Physics 2022-09-09 Jack G. Nedell , Jonah Spector , Adel Abbout , Michael Vogl , Gregory A. Fiete

In this work the conduction of ion-water solution through two discrete bundles of armchair carbon and silicon carbide nanotubes, as useful membranes for water desalination, is studied. In order that studies on different types of nanotubes…

Atomic and Molecular Clusters · Physics 2017-08-17 Mara Cantoni , Edovardo Imalini

Structural identification of double-walled carbon nanotubes (DWNT) is presented through a robust procedure based on the latest generation of transmission electron microscope, making possible a statistical analysis based on numerous…

We study theoretically the electronic structure, transport and optical properties for a zigzag single-wall carbon nanotube connected to two normal conductor leads under the irradiation of an external electromagnetic field at low…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Wenhu Liao , Guanghui Zhou , Kai-He Ding

Interfacial friction plays a crucial role in the mechanical properties of carbon nanotube based fibers, composites, and devices. Here we use molecular dynamics simulation to investigate the pressure effect on the friction within carbon…

Materials Science · Physics 2010-01-27 Xiaohua Zhang , Qingwen Li

We study the interference of interacting electrons in toroidal single-wall carbon nanotubes coupled to metallic electrodes by tunnel junctions. The dc conductance shows resonant features as a function of the gate voltage and the magnetic…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Joerg Rollbuehler , Arkadi A. Odintsov

Transformation of carbon dioxide into carbon nanotubes, CNTs, by electrolysis in molten carbonates provides a low cost route to extract and store this greenhouse gas. CNTs are more stable, compact and valuable than fuels or other CO2…

Materials Science · Physics 2016-07-11 Stuart Licht , Matthew Lefler , Jiawen Ren , Juan Vicini