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We study the thermopower of a junction between a metal and a strongly correlated semiconductor. Both in the electronic ferroelectric regime and in the Kondo insulator regime the thermoelectric figures of merit, ZT, of these junctions are…

Strongly Correlated Electrons · Physics 2009-07-20 Massimo Rontani , L. J. Sham

We study the use of a thermoelectric junction as a thermal radiation detector in the calorimetric regime, where single radiation bursts can be separated in time domain. We focus especially on the case of a large thermoelectric figure of…

Mesoscale and Nanoscale Physics · Physics 2018-10-17 Subrata Chakraborty , Tero T. Heikkilä

The electronic and thermoelectric properties of molecular junctions formed from iron and ruthenium metal-acetylide were studied using complementary experimental techniques and quantum chemical simulations. We performed physical…

A three-terminal thermoelectric device based on a $p$-$i$-$n$ semiconductor junction is proposed, where the intrinsic region is mounted onto a, typically bosonic, thermal terminal. Remarkably, the figure of merit of the device is governed…

Mesoscale and Nanoscale Physics · Physics 2013-07-25 Jian-Hua Jiang , Ora Entin-Wohlman , Yoseph Imry

The thermoelectric figure of merit ZT, which is defined using electrical conductivity, Seebeck coefficient, thermal conductivity, and absolute temperature T, has been widely used as a simple estimator of the conversion efficiency of a…

Applied Physics · Physics 2020-05-18 Byungki Ryu , Jaywan Chung , Eun-Ae Choi , Pawel Ziolkowski , Eckhard Müller , SuDong Park

We study thermoelectric properties of inhomogeneous nanogranular materials for weak tunneling conductance between the grains, g_t < 1. We calculate the thermopower and figure of merit taking into account the shift of the chemical potential…

Mesoscale and Nanoscale Physics · Physics 2009-10-16 A. Glatz , I. S. Beloborodov

Thermoelectric phenomena are traditionally associated with the interconversion of thermal and electrical energy in many-body systems. In the context of high-temperature quantum chromodynamics (QCD) matter produced in relativistic heavy-ion…

High Energy Physics - Phenomenology · Physics 2025-12-09 Kamaljeet Singh , Raghunath Sahoo

Within the framework of nonequilibrium Green's functions, we investigate the thermoelectric transport in a single molecular junction with electron-phonon and electron-electron interactions. By transforming into a displaced phonon basis, we…

Mesoscale and Nanoscale Physics · Physics 2012-04-26 Jie Ren , Jian-Xin Zhu , James E. Gubernatis , Chen Wang , Baowen Li

The miniaturization of thermoelectric nanojunctions raises a fundamental question: do the thermoelectric quantities of the bridging materials in nanojunctions remain to display material properties or show junction properties? In order to…

Mesoscale and Nanoscale Physics · Physics 2009-04-09 Yu-Chang Chen , Yu-Shen Liu

Low temperature (<400 K) thermoelectric properties of semiconducting RuIn3 and metallic IrIn3 are reported. RuIn3 is a narrow band gap semiconductor with a large n-type Seebeck coefficient at room temperature (S(290K)~400 {\mu}V/K), but the…

Materials Science · Physics 2014-04-15 N. Haldolaarachchige , W. A. Phelan , Y. M. Xiong , R. Jin , J. Y. Chan , S. Stadler , D. P. Young

We solved the Anderson Lattice Hamiltonian to get the energy bands of a strongly correlated semiconductor by using slave boson mean field theory. The transport properties were calculated in the relaxation-time approximation,and the…

Condensed Matter · Physics 2009-10-31 Wenjin Mao , Kevin S. Bedell

The understanding of magnetic and electronic properties of rare-earth intermetallics is summarized. The properties of NdNi5 or ErNi5 are understood by considering a few electronic subsystems like the f electronic subsystem and the…

Strongly Correlated Electrons · Physics 2008-10-08 R. J. Radwanski

Thermoelectrical properties are frequently used to characterize the materials and endow the free energy from wasted heat for useful purposes. Here, we show that linear thermoelectric effects in tunnel junctions with Fe-based…

Superconductivity · Physics 2023-10-02 Claudio Guarcello , Alessandro Braggio , Francesco Giazotto , Roberta Citro

In a superconductor electrons form pairs and electric transport becomes dissipation-less at low temperatures. Recently discovered iron based superconductors have the highest superconducting transition temperature next to copper oxides. In…

Materials Science · Physics 2014-12-02 Xianhui Chen , Pengcheng Dai , Donglai Feng , Tao Xiang , Fu-Chun Zhang

We study the thermoelectric properties of three-dimensional topological insulators in magnetic fields with many holes (or pores) in the bulk. We find that at high density of these holes in the transport direction the thermoelectric figure…

Mesoscale and Nanoscale Physics · Physics 2012-03-15 O. A. Tretiakov , Ar. Abanov , Jairo Sinova

Using first-principles approaches, this study investigated the efficiency of energy conversion in nanojunctions, described by the thermoelectric figure of merit $ZT$. We obtained the qualitative and quantitative descriptions for the…

Mesoscale and Nanoscale Physics · Physics 2011-06-09 Yu-Shen Liu , Yi-Ren Chen , Yu-Chang Chen

The energy dependent thermoelectric response of a single molecule contains valuable information about its transmission function and its excited states. However, measuring it requires devices that can efficiently heat up one side of the…

We show that a huge thermoelectric effect can be observed by contacting a superconductor whose density of states is spin-split by a Zeeman field with a ferromagnet with a non-zero polarization. The resulting thermopower exceeds $k_B/e$ by a…

Superconductivity · Physics 2014-02-10 A. Ozaeta , P. Virtanen , F. S. Bergeret , T. T. Heikkilä

Recently, superconductivity was discovered at very low densities in slightly misaligned graphene multilayers. Surprisingly, despite extremely low electronic density (about $10^{-4}$ electrons per unit cell), these systems realize…

Strongly Correlated Electrons · Physics 2020-04-01 Ivar Martin

The recent discovery of topological insulator (TI) offers new opportunities for the development of thermoelectrics, because many TIs (like Bi$_2$Te$_3$) are excellent thermoelectric (TE) materials. In this review, we will first describe the…

Materials Science · Physics 2016-10-26 Yong Xu
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