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Related papers: Attophysics of Thermal Phenomena in Carbon Nanotub…

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In this paper the heat transport in carbon nanotubes is investigated. When the dimension of the structure is of the order of the de Broglie wave length the transport phenomena must be analyzed within quantum mechanics. In this paper we…

Other Condensed Matter · Physics 2016-08-31 J. Marciak-Kozlowska , M. Kozlowski

In this paper the heat transport in microtubules (MT) is investigated. When the dimension of the structure is of the order of the de Broglie wave length the transport phenomena must be analyzed within quantum mechanics. In this paper we…

Biomolecules · Quantitative Biology 2007-05-23 Miroslaw Kozlowski , Janina Marciak-kozlowska

We review our recent modelling work of carbon nanotubes as potential candidates for heat dissipation in microelectronics cooling. In the first part, we analyze the impact of nanotube defects on their thermal transport properties. In the…

Mesoscale and Nanoscale Physics · Physics 2013-09-27 Alejandro Pérez Paz , Juan María García-Lastra , Troels Markussen , Kristian Sommer Thygesen , Angel Rubio

Modelling heat transfer of carbon nanotubes is important for the thermal management of nanotube-based composites and nanoelectronic device. By using a finite element method for three-dimensional anisotropic heat transfer, we have simulated…

Materials Science · Physics 2015-05-18 Xin-She Yang

Molecular dynamics simulations and nonequilibrium importance sampling are used to study the heat transport of low dimensional carbon lattices. For both carbon nanotubes and graphene sheets heat transport is found to be anomalous, violating…

Mesoscale and Nanoscale Physics · Physics 2020-01-08 Ushnish Ray , David T. Limmer

We show that the local temperature dependence of thermalized electron and phonon populations along metallic carbon nanotubes is the main reason behind this non-linear transport characteristics in the high bias regime. Our model that…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. A. Kuroda , J. -P. Leburton

Behaviour of hot electrons under the influence of dc field in carbon nanotubes is theoretically considered. The study was done semi-classically by solving Boltzmann transport equation with the presence of the hot electrons source to derive…

Mesoscale and Nanoscale Physics · Physics 2016-10-10 M. Amekpewu , K. A. Dompreh , S. Y. Mensah , N. G. Mensah , S. S. Abukari , R. Musah , A. Twum , R. Edziah

We describe the electro-thermal transport in metallic carbon nanotubes (m-CNTs) by a semi-classical approach that takes into account the high-field dynamical interdependence between charge carrier and phonon populations. Our model is based…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Marcelo A. Kuroda , Jean Pierre Leburton

Anomalous heat transport in one-dimensional nanostructures, such as nanotubes and nanowires, is a widely debated problem in condensed matter and statistical physics, with contradicting pieces of evidence from experiments and simulations.…

Mesoscale and Nanoscale Physics · Physics 2021-07-14 Giuseppe Barbalinardo , Zekun Chen , Haikuan Dong , Zheyong Fan , Davide Donadio

Low-temperature thermal conductivity and thermopower of multiwalled carbon nanotubes considered within a bundle of nanotubes are calculated taking into account multiple scattering of electrons on the atoms of impurities (like single carbon…

High Energy Physics - Theory · Physics 2010-12-07 V. Egorushkin , N. Melnikova , A. Ponomarev , A. Reshetnyak

In this perspective, we discuss thermal imbalance and the associated electron-mediated thermal transport in quantum electronic devices at very low temperatures. We first present the theoretical approaches describing heat transport in…

Mesoscale and Nanoscale Physics · Physics 2024-04-09 Danial Majidi , Justin P. Bergfield , Ville Maisi , Johannes Höfer , Hervé Courtois , Clemens B. Winkelmann

In this paper the interaction of attosecond laser pulses with matter is investigated. The scattering and potential motion of heat carriers as well as the external force are considered. Depending on the ratio of the scatterings and potential…

Materials Science · Physics 2007-05-23 J. Marciak-Kozlowska , M. Kozlowski

We study theoretically the electron transport properties in carbon nanotubes under the influence of an external electric field E(t) using Boltzmann's equation. The current-density equation is derived. Negative differential conductivity is…

Mesoscale and Nanoscale Physics · Physics 2011-01-31 S. S. Abukari , S. Y. Mensah N. G. Mensah , K. W. Adu , K. A. Dompreh , A. K. Twum

Relaxation dynamics of embedded metal nanoparticles after ultrafast laser pulse excitation is driven by thermal phenomena of different origins the accurate description of which is crucial for interpreting experimental results: hot electron…

Materials Science · Physics 2009-11-13 Majid Rashidi-Huyeh , Sebastian Volz , Bruno Palpant

This review summarizes the current studies of the thermal transport properties of one-dimensional (1D) carbon nanomaterials and nanoarchitectures. Considering different hybridization states of carbon, emphases are laid on a variety of 1D…

Materials Science · Physics 2018-03-20 Haifei Zhan , Yuantong Gu

A method is proposed for determining the temperature of hot electrons in a metallic nanoparticle embedded in a dielectric matrix under ultrashort laser pulses irradiation. The amplitude and power of the longitudinal spherical acoustic…

Mesoscale and Nanoscale Physics · Physics 2017-12-15 N. I. Grigorchuk

The temperature distributions in current-carrying carbon nanotubes have been measured with a scanning thermal microscope. The obtained temperature profiles reveal diffusive and dissipative electron transport in multi-walled nanotubes and in…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Li Shi , Jianhua Zhou , Philip Kim , Adrian Bachtold , Arun Majumdar , Paul L. McEuen

We report on nonlinear cotunneling spectroscopy of a carbon nanotube quantum dot coupled to Nb superconducting contacts. Our measurements show rich subgap features in the stability diagram which become more pronounced as the temperature is…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 S. Ratz , A. Donarini , D. Steininger , T. Geiger , A. Kumar , A. K. Hüttel , Ch. Strunk , M. Grifoni

We investigate the local electron temperature distribution in carbon nano-ribbon (CNR) and graphene junctions subject to an applied thermal gradient. Using a realistic model of a scanning thermal microscope, we predict quantum temperature…

Mesoscale and Nanoscale Physics · Physics 2013-06-21 Justin P. Bergfield , Mark A. Ratner , Charles A. Stafford , Massimiliano Di Ventra

A class of exactly solvable models describing carbon nanotubes in the presence of an external inhomogeneous magnetic field is considered. The framework of the continuum approximation is employed, where the motion of the charge carriers is…

Mesoscale and Nanoscale Physics · Physics 2015-09-02 Vit Jakubsky , Sengul Kuru , Javier Negro
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