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We investigate the thermopower of a metal-molecule-metal junction taking into account thermal effects on the junction. Based on analytical expressions and numerical simulations we show that the thermoelectric potential reveals valuable…

介观与纳米尺度物理 · 物理学 2009-11-11 Dvira Segal

An electronic current driven through a conductor can induce a current in another conductor through the famous Coulomb drag effect. Similar phenomena have been reported at the interface between a moving fluid and a conductor, but their…

介观与纳米尺度物理 · 物理学 2024-03-27 Baptiste Coquinot , Lydéric Bocquet , Nikita Kavokine

We have discovered that room temperature liquid metal is capable of penetrating through macro- and microporous materials by applying a voltage. In this work, we demonstrate the liquid metal penetration effect in various porous materials…

其他凝聚态物理 · 物理学 2019-07-26 Frank F. Yun , Zhenwei Yu , Yahua He , Lei Jiang , Haoshuang Gu , Zhao Wang , Xiaolin Wang

The ability of metallic nanoparticles to supply heat to a liquid environment under exposure to an external optical field has attracted growing interest for biomedical applications. Controlling the thermal transport properties at a…

化学物理 · 物理学 2017-08-14 Shenghong Ju , Bruno Palpant , Yann Chalopin

We demonstrate that thermoelectric signal as well as dc Josephson current may be severely enhanced in multi-terminal superconducting hybrid nanostructures exposed to a temperature gradient. At temperatures $T$ strongly exceeding the…

介观与纳米尺度物理 · 物理学 2020-05-13 Mikhail S. Kalenkov , Pavel E. Dolgirev , Andrei D. Zaikin

Thermoelectric effects result from the coupling of charge and heat transport, and can be used for thermometry, cooling and harvesting of thermal energy. The microscopic origin of thermoelectric effects is a broken electron-hole symmetry,…

超导电性 · 物理学 2016-04-08 S. Kolenda , P. Machon , D. Beckmann , W. Belzig

The interfaces of quantum Hall insulators with superconductors have emerged as a promising platform to realise interesting physics that may be relevant for topologically protected quantum computing. However, these interfaces can host other…

介观与纳米尺度物理 · 物理学 2025-10-14 Jordan T. McCourt , John Chiles , Chun-Chia Chen , Kenji Watanabe , Takashi Tanaguchi , Francois Amet , Gleb Finkelstein

Using the strong temperature dependent resistance of a normal metal wire in proximity to a superconductor, we have been able to measure the local temperature of electrons heated by flowing a dc current in a metallic wire to within a few…

介观与纳米尺度物理 · 物理学 2009-11-07 J. Aumentado , J. Eom , V. Chandrasekhar , P. M. Baldo , L. E. Rehn

Motivated by an experimental interest we investigate by the means of atomistic Molecular Dynamics simulation the ability of density-independent, empiric density-dependent, and recently proposed embedded-atom force fields for liquid mercury…

软凝聚态物质 · 物理学 2016-01-20 A. Iakovlev , D. Bedrov , M. Müller

The rate of electron transfer between a molecular species and a metal, each at a different local temperature, is examined theoretically through implementation of a bithermal (characterized by two temperatures) Marcus formalism. Expressions…

介观与纳米尺度物理 · 物理学 2019-08-02 Galen T. Craven , Abraham Nitzan

Thermoelectricity is the direct conversion of temperature gradient to electric voltage, and vice-versa. There are several potential applications of thermoelectricity, ranging from clean noiseless cooling, to waste-power harvesting in…

材料科学 · 物理学 2014-03-18 Yehea Ismail , Ahmed Alaskalany

We report an ab initio molecular dynamics study of fluid mercury at temperature 1750 K in the range of densities 7-13.5 g/cm$^3$. Along this isothermal line we performed an analysis of total charge fluctuations, which make evidence of…

无序系统与神经网络 · 物理学 2025-06-26 T. Bryk , O. Bakai , A. P. Seitsonen

A novel concept of membrane process in thermal-driven system is proposed for water desalination. By means of molecular dynamics simulations, we show fast water transport through graphene galleries at a temperature gradient. Water molecules…

软凝聚态物质 · 物理学 2018-10-29 Bo Chen , Haifeng Jiang , Huidong Liu , Kang Liu , Xiang Liu , Xuejiao Hu

A systematic theoretical study of thermoelectric effect and temperature-gradient-driven electrokinetic flow of electrolyte solutions in charged nanocapillaries is presented. The study is based on a semianalytical model developed by…

流体动力学 · 物理学 2023-09-14 Wenyao Zhang , Qiuwang Wang , Min Zeng , Cunlu Zhao

We demonstrate that thermoelectric currents in superconducting bilayers with a spin-active interface are controlled by the two competing processes. On one hand, spin-sensitive quasiparticle scattering at such interface generates…

超导电性 · 物理学 2015-02-16 Mikhail S. Kalenkov , Andrei D. Zaikin

Energy and charge transfer across metal-semiconductor interfaces are the fundamental driving forces for a broad range of applications, such as computing, energy harvesting, and photodetection. However, the exact roles and physical…

We develop a theory of heat transfer induced by thermal charge fluctuations in two-dimensional electron double layers. We consider pristine systems comprised of identical layers, and focus on the regime of sufficiently high temperatures and…

介观与纳米尺度物理 · 物理学 2023-08-21 Dmitry Zverevich , A. V. Andreev , Alex Levchenko

We investigate the optoelectronic response of a graphene interface junction, formed with bilayer and single-layer graphene, by photocurrent (PC) microscopy. We measure the polarity and amplitude of the PC while varying the Fermi level by…

介观与纳米尺度物理 · 物理学 2015-05-13 Xiaodong Xu , Nathaniel M. Gabor , Jonathan S. Alden , Arend van der Zande , Paul L. McEuen

In this work we study numerically the influence of a homogeneous electrical field on the fluid and heat transfer phenomena at macroscale and mesoscale during unidirectional solidification of a binary metal alloy. The numerical results…

材料科学 · 物理学 2007-07-04 P. A. Nikrityuk , K. Eckert , R. Grundmann

The flow of a thermoelectric current through a semiconductor of submicron dimensions is analyzed. The rate of surface relaxation of the energy is assumed to be much higher than the rate of electron-electron collisions. Under these…

凝聚态物理 · 物理学 2007-05-23 Yu. G. Gurevich , G. N. Logvinov , O. Yu. Titov