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It has been proposed for a long time now that the reduction of the thermal conductivity by reducing the phonon mean free path is one of the best way to improve the current performance of thermoelectrics. By measuring the thermal conductance…

Heat dissipation issues are the emerging challenges in the field of flexible electronics. Thermal management of flexible electronics creates a demand for flexible materials with highly anisotropic thermal conductivity, which work as heat…

介观与纳米尺度物理 · 物理学 2016-09-30 Zhe Cheng , Meng Han , Pengyu Yuan , Shen Xu , Baratunde A. Cola , Xinwei Wang

Here we use a description of the electronic correlations contained in the Hubbard model on the square-lattice perturbed by very weak three-dimensional uniaxial anisotropy in terms of the residual interactions of charge $c$ fermions and…

超导电性 · 物理学 2010-04-09 J. M. P. Carmelo

We review transport measurements in a normal metal (N) in contact with one or two superconducting (S) islands. From the experiment, we distinguish the Josephson coupling, the mesoscopic fluctuations and the proximity effect. In a…

凝聚态物理 · 物理学 2015-06-25 P. Charlat , H. Courtois , Ph. Gandit , D. Mailly , A. F. Volkov , B. Pannetier

Linear, irreversible thermodynamics predicts that the entropy production rate can become negative. We demonstrate this prediction for metals under AC-driving whose conductivity is well-described by the Drude-Sommerfeld model. We then show…

统计力学 · 物理学 2022-01-26 Marcus V. S. Bonança , Sebastian Deffner

A systematic study of the $R_e$-$T_m$ relation ($R_e$ = track radius, $T_m$ = melting temperature) in insulators reveals new features of track formation. A quantitative relationship is demonstrated between $R_e$ values measured in various…

材料科学 · 物理学 2022-08-30 Gyorgy Szenes

We present a model which provides a plausible explanation of the effect of zero-resistance and zero-conductance states in two-dimensional electron systems subjected to a magnetic field and irradiated with microwaves observed in a number of…

介观与纳米尺度物理 · 物理学 2009-11-10 V. Ryzhii , A. Chaplik , R. Suris

Finite-temperature T>0 transport properties of integrable and nonintegrable one-dimensional (1D) many-particle quantum systems are rather different, showing in the metallic phases ballistic and diffusive behavior, respectively. The…

强关联电子 · 物理学 2013-06-28 J. M. P. Carmelo , Shi-Jian Gu

A linear temperature dependence of the electrical resistivity as T -> 0 is the hallmark of quantum criticality in heavy-fermion metals and the archetypal normal-state property of high-Tc superconductors, yet in both cases it remains…

We have measured the thermal conductivity of the iron pnictide superconductor LaFePO down to temperatures as low as T=60mK and in magnetic fields up to 5 T. The data shows a large residual contribution that is linear in temperature,…

Thermopower and electrical resistivity measurements transverse to the conducting chains of the quasi-one-dimensional metal Li(0.9)Mo(6)O(17) are reported in the temperature range 5 K <= T <= 500 K. For T>= 400 K the interchain transport is…

材料科学 · 物理学 2015-06-19 J. L. Cohn , S. Moshfeghyeganeh , C. A. M. dos Santos , J. J. Neumeier

We study the low temperature conductivity of the electron accumulation layer induced by the very strong electric field at the surface of $\text{SrTiO}_3$ sample. Due to the strongly nonlinear lattice dielectric response, the…

介观与纳米尺度物理 · 物理学 2016-07-21 Han Fu , K. V. Reich , B. I. Shklovskii

Multi-pulse nonlinear THz spectroscopies enable a new understanding of interacting metallic systems via their sensitivity to novel correlation functions. Here, we investigated the THz nonlinear properties of the dilute metallic phase of…

We study thermal transport through Pt nanowires that bridge planar contacts as a function of wire length and vibrational frequency of the contacts. When phonons in the contacts have lower average frequencies than those in the wires thermal…

介观与纳米尺度物理 · 物理学 2015-06-11 Ya Zhou , Alejandro Strachan

We describe nonlinear phonon-thermoelectric devices where charge current and electronic and phononic heat currents are coupled, driven by voltage and temperature biases, when phonon-assisted inelastic processes dominate the transport. Our…

介观与纳米尺度物理 · 物理学 2015-07-31 Jian-Hua Jiang , Manas Kulkarni , Dvira Segal , Yoseph Imry

Understanding and controlling the electrical properties of solution-processed 2D materials is key to further printed electronics progress. Here we demonstrate that the thermolysis of the aromatic intercalants utilized in nanosheet…

We show in this paper that the heat generated by the optical excitation of resonant plasmonic antennas and diffusing along a simple glass/air interface disturbs the electron transport of a nearby conductive element. By probing the…

介观与纳米尺度物理 · 物理学 2016-07-20 M. -M. Mennemanteuil , M. Buret , N. Cazier , G. Colas-Des-Francs , M. Besbes , P. Ben-Abdallah , A. Bouhelier

We have employed noise thermometry for investigations of thermal relaxation between the electrons and the substrate in nanowires patterned from 40-nm-thick titanium film on top of silicon wafers covered by a native oxide. By controlling the…

介观与纳米尺度物理 · 物理学 2017-09-13 Teemu Elo , Pasi Lähteenmäki , Dmitri Golubev , Alexander Savin , Konstantin Arutyunov , Pertti Hakonen

The first order standard perturbation theory combined with ab initio projector augmented wave operator challenges the realization of the standard Sternheimer equation with linear computational efficiency. This efficiency motivates us to…

材料科学 · 物理学 2018-10-05 Sushant Kumar Behera , Pritam Deb

We analyze the role played by temperature in QCD_3 by means of a dimensional interpolating approach. Pure gauge QCD_3 is defined on a strip of finite width L, which acts as an interpolating parameter between two and three dimensions. A…

高能物理 - 理论 · 物理学 2009-10-28 A. Ferrando , A. Jaramillo