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We propose a model with a quantized degree of freedom to study the heat transport in quasi-one dimensional system. Our simulations reveal three distinct temperature regimes. In particular, the intermediate regime is characterized by heat…

无序系统与神经网络 · 物理学 2009-11-11 Jun-Wen Mao , You-Quan Li

We study the heat transfer between weakly coupled systems with flat interface. We present simple analytical results which can be used to estimate the heat transfer coefficient. As applications we consider the heat transfer across…

材料科学 · 物理学 2010-08-27 B. N. J. Persson , A. I. Volokitin , H. Ueba

The heat transport in heavy-doped n-GaAs has been investigated at temperatures T=300 K and 77 K using the irradiation of the metal-semiconductor contact by modulated CO_{2}-laser radiation. It is shown this approach giving an opportunity to…

材料科学 · 物理学 2007-05-23 A. Ya. Shul'man , N. A. Mordovets , I. N. Kotel'nikov

The electronic and transport properties of (10, 0) single-walled carbon nanotube are studied by performing the first-principles calculations and semi-classical Boltzmann theory. It is found that the (10, 0) tube exhibits considerably large…

介观与纳米尺度物理 · 物理学 2016-01-06 P. H. Jiang , H. J. Liu , D. D. Fan , L. Cheng , J. Wei , J. Zhang , J. H. Liang , J. Shi

We discuss the Seebeck coefficient and the Hall mobility of electrons confined in narrow SrTiO3 quantum wells as a function of the three-dimensional carrier density and temperature. The quantum wells contain a fixed sheet carrier density of…

强关联电子 · 物理学 2016-09-15 Tyler A. Cain , Evgeny Mikheev , Clayton A. Jackson , Susanne Stemmer

Electric, thermal and thermoelectric transport in correlated electron systems probe different aspects of the many-body dynamics, and thus provide complementary information. These are well studied in the low- and high-temperature limits,…

强关联电子 · 物理学 2020-02-19 Woo-Ram Lee , Alexander M. Finkel'stein , Karen Michaeli , Georg Schwiete

Phonon transmission across epitaxial interfaces is studied within the lattice dynamic approach. The transmission shows weak dependence on frequency for the lattice wave with a fixed angle of incidence. The dependence on azimuth angle is…

材料科学 · 物理学 2009-11-13 Jian Wang , Jian-Sheng Wang

We report the first ever accurate theoretical prediction of thermal conductance of any material interface. Thermal interfacial conductance of aluminum (Al)-sapphire ({\alpha}-Al2O3) interface along crystal directions (111) Al || (0001)…

A coupled cohesive zone model based on an analogy between fracture and contact mechanics is proposed to investigate debonding phenomena at imperfect interfaces due to thermomechanical loading and thermal fields in bodies with cohesive…

材料科学 · 物理学 2014-10-02 Alberto Sapora , Marco Paggi

We explore the electronic entropy per particle $s$ and Seebeck coefficient $\mathcal{S}$ in zigzag graphene ribbons. Pristine and edge-doped ribbons are considered using tight-binding models to inspect the role of edge states in the…

介观与纳米尺度物理 · 物理学 2023-03-08 Natalia Cortés , Patricio Vargas , S. E. Ulloa

We study dynamic features of a plasma consisting of gluons whose infrared dynamics is improved by the Gribov-Zwanziger quantization. This approach embodies essential features of color confinement which set the plasma apart from conventional…

高能物理 - 唯象学 · 物理学 2016-10-19 Wojciech Florkowski , Radoslaw Ryblewski , Nan Su , Konrad Tywoniuk

In this study, we employ molecular simulations to investigate the enhancement in thermal conductance at the solid/liquid interface in the presence of a meniscus reported previously (Klochko et al., Phys. Chem. Chem. Phys. 25(4):3298-3308,…

软凝聚态物质 · 物理学 2024-08-23 Abdullah El-Rifai , Liudmyla Klochko , Sreehari Perumanath , David Lacroix , Rohit Pillai , Mykola Isaiev

Understanding heat transport in semiconductors and insulators is of fundamental importance because of its technological impact in electronics and renewable energy harvesting and conversion. Anharmonic Lattice Dynamics provides a powerful…

材料科学 · 物理学 2020-10-13 Giuseppe Barbalinardo , Zekun Chen , Nicholas W. Lundgren , Davide Donadio

We investigate nonequilibrium effects in the transport of interacting electrons in quantum conductors, proposing the nonlocal thermoelectric response as a direct indicator of the presence of interactions, nonthermal states and the effect of…

介观与纳米尺度物理 · 物理学 2024-05-10 Alessandro Braggio , Matteo Carrega , Björn Sothmann , Rafael Sánchez

Heat transfer at the liquid/solid interface, especially at the nanoscale, has enormous importance in nanofluids. This study investigates liquid/solid interfacial thermal resistance and structure of the formed molecular nanolayer around a…

软凝聚态物质 · 物理学 2019-03-29 Fatemeh Jabbari , Ali Rajabpour , Seyfollah Saedodin , Somchai Wongwises

During the fabrication process of large scale silicene through common chemical vapor deposition (CVD) technique, polycrystalline films are quite likely to be produced, and the existence of Kapitza thermal resistance along grain boundaries…

计算物理 · 物理学 2019-06-12 Maryam Khalkhali , Ali Rajabpour , Farhad Khoeini

We study the dynamical thermoelectric transport in metals subjected to the electron-impurity and the electron-phonon interactions using the memory function formalism. We introduce a generalized Drude form for the Seebeck coefficient in…

强关联电子 · 物理学 2017-05-23 Pankaj Bhalla , Pradeep Kumar , Nabyendu Das , Navinder Singh

The Seebeck coefficient and electrical conductivity are two critical quantities to optimize simultaneously in designing thermoelectric materials, and they are determined by the dynamics of carrier scattering. We uncover a new regime where…

材料科学 · 物理学 2022-11-17 Natalya S. Fedorova , Andrea Cepellotti , Boris Kozinsky

We investigate theoretically the thermoelectric transport through a circuit implementation of the three-channel "charge" Kondo model quantum simulator [Z. Iftikhar et al., Science 360, 1315 (2018)]. The universal temperature scaling law of…

介观与纳米尺度物理 · 物理学 2020-07-09 T. K. T. Nguyen , M. N. Kiselev

We present first principles study of thermoelectric transport properties of sandwiched heterostructure of Graphene (G)/hexagonal Boron Nitride (BN)/G, based on Boltzmann transport theory for band electrons using the bandstructure calculated…

介观与纳米尺度物理 · 物理学 2016-03-23 Ransell D'Souza , Sugata Mukherjee