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Thermal rectification is observed in jointless Pb wires at temperatures near the superconducting transition of Pb under magnetic fields. Using different magnetic-field (H) response of temperature dependence of thermal conductivity…

Superconductivity · Physics 2025-10-02 Masayuki Mashiko , Poonam Rani , Yuto Watanabe , Yoshikazu Mizuguchi

We theoretically study the electrical, thermal and thermoelectric transport properties of graphene nanoribbons under torsional deformations. The modelling follows a nonequilibrium Green's function approach in the ballistic transport regime,…

Mesoscale and Nanoscale Physics · Physics 2017-06-07 Aleandro Antidormi , Miquel Royo , Riccardo Rurali

In this work, we study the thermal energy transport properties of twin graphene, which has been introduced recently as a new two-dimensional carbon nano structure. The thermal conductivity is investigated using non-equilibrium molecular…

Computational Physics · Physics 2020-12-30 Fatemeh Rezaee , Farrokh Yousefi , Farhad Khoeini

The thermal conductivity of doped graphene flake of finite size is investigated with emphasis on the influence of mass of substituting atoms on this property. It is shown that the graphene doping by small concentrations of relatively heavy…

Mesoscale and Nanoscale Physics · Physics 2012-09-26 Vadym Adamyan , Vladimir Zavalniuk

Optical excitation and subsequent decay of graphene plasmons can produce a significant increase in charge-carrier temperature. An efficient method to convert this temperature elevation into a measurable electrical signal at room temperature…

Mesoscale and Nanoscale Physics · Physics 2018-08-29 Qiushi Guo , Renwen Yu , Cheng Li , Shaofan Yuan , Bingchen Deng , F. Javier García de Abajo , Fengnian Xia

We review experimental and theoretical results on thermal transport in semiconductor nanostructures (multilayer thin films, core/shell and segmented nanowires), single- and few-layer graphene, hexagonal boron nitride, molybdenum disulfide…

Mesoscale and Nanoscale Physics · Physics 2018-06-13 Alexandr I. Cocemasov , Calina I. Isacova , Denis L. Nika

We have fabricated suspended few layer (1-3 layers) graphene nanoribbon field effect transistors from unzipped multiwall carbon nanotubes. Electrical transport measurements show that current-annealing effectively removes the impurities on…

Graphene nanoribbons (GNRs) are atomically precise stripes of graphene with tunable electronic properties, making them promising for room-temperature switching applications like field-effect transistors (FETs). However, challenges persist…

Understanding thin sheets, ranging from the macro to the nanoscale, can allow control of mechanical properties such as deformability. Out-of-plane buckling due to in-plane compression can be a key feature in designing new materials. While…

Statistical Mechanics · Physics 2021-03-18 Paul Z. Hanakata , Sourav S. Bhabesh , Mark J. Bowick , David R. Nelson , David Yllanes

The practical realization of nano-scale electronics faces two major challenges: the precise engineering of the building blocks and their assembly into functional circuits. In spite of the exceptional electronic properties of carbon…

Mesoscale and Nanoscale Physics · Physics 2008-07-09 Levente Tapaszto , Gergely Dobrik , Philippe Lambin , Laszlo P Biro

Using density functional theory combined with a Green's function scattering approach, we examine the thermoelectric properties of hetero-nanoribbons formed from alternating lengths of graphene and boron nitride. In such structures, the…

Mesoscale and Nanoscale Physics · Physics 2015-10-06 L. A. Algharagholy , Q. Al-Galiby , H. A. Marhoon , H. Sadeghi , H. M. Abduljalil , C. J. Lambert

We report on the thermal and electrical properties of hybrid epoxy composites with graphene and boron nitride fillers. The thicknesses, lateral dimensions, and aspect ratios of each filler material were intentionally selected for geometric…

We provide a theoretical framework for the development of a solid-state thermal rectifier through a confinement in the available population of phonons on one side of an asymmetrically graded film stack. Using a modification of the phonon…

Mesoscale and Nanoscale Physics · Physics 2020-02-26 Brian F. Donovan , Ronald J. Warzoha

A thermoelectric voltage is induced in a junction, constituted of two dissimilar materials under a temperature gradient. Similarly, a thermosize voltage is expected to be induced in a junction made by the same material but having different…

Mesoscale and Nanoscale Physics · Physics 2019-10-02 Alhun Aydin , Jonas Fransson , Altug Sisman

We report the results of an experimental study of thermal and magnetic properties of nanostructured ferrimagnetic iron oxide composites with graphene and graphite fillers synthesized via the current activated pressure assisted…

Materials Science · Physics 2017-10-19 S. Ramirez , K. Chan , R. Hernandez , E. Recinos , E. Hernandez , R. Salgado , A. G. Khitun , J. E. Garay , A. A. Balandin

We have experimentally investigated quantum interference corrections to the conductivity of graphene nanoribbons at temperatures down to 20 mK studying both weak localization (WL) and universal conductance fluctuations (UCF). Since in…

Mesoscale and Nanoscale Physics · Physics 2012-10-10 S. Minke , J. Bundesmann , D. Weiss , J. Eroms

We study the nonlinear optical properties of heterojunctions made of graphene nanoribbons (GNRs) consisting of two segments with either the same or different topological properties. By utilizing a quantum mechanical approach that…

Low thermal conductivity of polymers, which is one of the considerable drawbacks of commonly used composite structures, has been the focus of many researchers aiming to achieve high-performance polymer-based nanocomposites through the…

Materials Science · Physics 2021-06-22 Leila Razzaghi , Maryam Khalkhali , Ali Rajabpour , Farhad Khoeini

Thermal conduction in polymer nanocomposites depends on several parameters including the thermal conductivity and geometrical features of the nanoparticles, the particle loading, their degree of dispersion and formation of a percolating…

Applied Physics · Physics 2021-01-25 Alessandro di Pierro , Alberto Fina

Despite many studies on how geometry can be used to control the electronic properties of graphene, certain limitations to fabrication of designed graphene nanostructures exist. Here, we demonstrate controlled topographical replication of…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 Y. Moon , J. Shin , S. Seo , J. Park , S. R. Dugasani , S. H. Woo , T. Park , S. H. Park , J. R. Ahn
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