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Excess heat generated in integrated circuits is one of the major problems of modern electronics. Surface phonon-polariton scattering is shown here to be the dominant mechanism for hot charge carrier energy dissipation in a nanotube device…

Materials Science · Physics 2010-01-12 Slava V. Rotkin , Vasili Perebeinos , Alexey G. Petrov , Phaedon Avouris

A correlation is observed between the diameter (d) distribution of single walled carbon nanotubes and the percentages of metallic and semiconducting tubes in materials synthesized at low temperature (600 C) by plasma-assisted chemical vapor…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Yiming Li , Shu Peng , David Mann , Jien Cao , Ryan Tu , K. J. Cho , Hongjie Dai

The Seebeck effect consists in the induction of a voltage drop due to the temperature difference in a conductor. In the middle of XIXth century, Lord Kelvin has proposed a relation between the Seebeck coefficient and the derivative of the…

Mesoscale and Nanoscale Physics · Physics 2024-05-20 A. V. Kavokin , S. V. Kavokina , A. A. Varlamov , Yuriy Yerin

We study heat transport in a Weyl semimetal with broken time-reversal symmetry in the hydrodynamic regime. At the neutrality point, the longitudinal heat conductivity is governed by the momentum relaxation (elastic) time, while longitudinal…

Mesoscale and Nanoscale Physics · Physics 2023-06-06 Yonatan Messica , Pavel M. Ostrovsky , Dmitri B. Gutman

We study the radiative heat flux between two nanoparticles in close vicinity to the natural hyperbolic material hBN with its optical axis oriented parallel to the interface. We show that the heat flux between the nanoparticles can be…

Mesoscale and Nanoscale Physics · Physics 2022-10-25 Annika Ott , Yang Hu , Xiao-Hu Wu , Svend-Age Biehs

Macroscopic quantum phase coherence has one of its pivotal expressions in the Josephson effect [1], which manifests itself both in charge [2] and energy transport [3-5]. The ability to master the amount of heat transferred through two…

Mesoscale and Nanoscale Physics · Physics 2016-03-10 Antonio Fornieri , Christophe Blanc , Riccardo Bosisio , Sophie D'Ambrosio , Francesco Giazotto

We investigate charge and energy transport in a three-terminal quantum Hall conductor. The peculiar properties of chiral propagation along the edges of the sample have important consequences on the response to thermal biases. Based on the…

Mesoscale and Nanoscale Physics · Physics 2015-07-13 Rafael Sánchez , Björn Sothmann , Andrew N. Jordan

We use electrostatic force microscopy and scanned gate microscopy to probe the conducting properties of carbon nanotubes at room temperature. Multi-walled carbon nanotubes are shown to be diffusive conductors, while metallic single-walled…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. Bachtold , M. S. Fuhrer , S. Plyasunov , M. Forero , Erik H. Anderson , A. Zettl , Paul L. McEuen

We report low-temperature transport experiments on single-wall nanotubes with metallic leads of varying contact quality, ranging from weak tunneling to almost perfect transmission. In the weak tunneling regime, where Coulomb blockade…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Jesper Nygard , David H. Cobden

Charge and thermal conductivities are the most important parameters of carbon nanomaterials as candidates for future electronics. In this paper we address the effects of Anderson type disorder in long semiconductor carbon nanotubes (CNTs)…

Mesoscale and Nanoscale Physics · Physics 2013-10-16 H. Sevincli , T. Lehmann , D. A. Ryndyk , G. Cuniberti

The formalism for a linear-response many-body treatment of the electronic contributions to thermal transport is developed for multilayered nanostructures. By properly determining the local heat-current operator, it is possible to show that…

Strongly Correlated Electrons · Physics 2007-05-23 J. K. Freericks , V. Zlatic , A. M. Shvaika

We investigate the heat flow between different terminals in an interacting coherent conductor when inelastic scattering is present. We illustrate our theory with a two-terminal quantum dot setup. Two types of heat asymmetries are…

Mesoscale and Nanoscale Physics · Physics 2015-05-04 Javier Arguello-Luengo , David Sanchez , Rosa Lopez

We theoretically study heat transfer between two anisotropic nanoparticles in vacuum, and derive closed expressions in terms of the anisotropic dipole polarizabilities. We show that transfer between two small spheroids can be many times as…

Quantum Physics · Physics 2015-06-18 Roberta Incardone , Thorsten Emig , Matthias Krüger

Charge and heat transport in nano-structures is dominated by non-equilibrium effects which strongly influence their behaviour. These effects are studied in a setup consisting of three external leads, one of which is considered as a heat…

Mesoscale and Nanoscale Physics · Physics 2016-02-24 Barbara Szukiewicz , Ulrich Eckern , Karol I. Wysokinski

The historical development of the Carnot cycle necessitated the construction of isothermal and adiabatic pathways within the cycle that were also mechanically "reversible" which lead eventually to the Kelvin-Clausius development of the…

General Physics · Physics 2015-06-22 Christopher G. Jesudason

Single-wall carbon nanotubes are almost ideal systems for the investigation of exotic many-body effects due to non-Fermi liquid behavior of interacting electrons in one dimension. Recent theoretical and experimental results are reviewed…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. Odintsov , H. Yoshioka

We develop the Bardeen-Cooper-Schrieffer (BCS) formalism for the superconductivity of carbon nanotubes. It is found that the superconducting transition temperature Tc of single-wall carbon nanotubes decreases exponentially with the increase…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 Shi-Dong Liang

We revisit a model describing Seebeck effect on a weak link between two charge Kondo circuits, which has been proposed in the [Phys. Rev. B 97, 085403 (2018)]. We calculate the thermoelectric coefficients in the perturbation theory assuming…

Mesoscale and Nanoscale Physics · Physics 2022-10-25 T. K. T. Nguyen , M. N. Kiselev

Carbon nanotube (CNT) Josephson junctions in the open quantum dot limit exhibit superconducting switching currents which can be controlled with a gate electrode. Shapiro voltage steps can be observed under radiofrequency current…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 J. -P. Cleuziou , W. Wernsdorfer , S. Andergassen , S. Florens , V. Bouchiat , Th. Ondarcuhu , M. Monthioux

The Seebeck coefficient, which is proportional to a ratio of the thermoelectric conductivity to electrical conductivity has been examined for Dirac electrons in the organic conductor $\alpha$-(BEDT-TTF)$_2$I$_3$ [BEDT-TTF denotes a molecule…

Materials Science · Physics 2023-05-11 Yoshikazu Suzumura , Masao Ogata