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The electronic thermoelectric coefficients are analyzed in the vicinity of one and two Anderson localization thresholds in three dimensions. For a single mobility edge, we correct and extend previous studies, and find universal approximants…

Disordered Systems and Neural Networks · Physics 2017-10-09 Kaoru Yamamoto , Amnon Aharony , Ora Entin-Wohlman , Naomichi Hatano

The strongly interacting partonic medium created post ultrarelativistic heavy ion collision experiments exhibits a significant temperature-gradient between the central and peripheral regions of the collisions, which in turn, is capable of…

Nuclear Theory · Physics 2020-11-18 Debarshi Dey , Binoy Krishna Patra

The spin Seebeck effect (SSE) refers to the generation of a spin current as a result of a temperature gradient in magnetic materials including insulators. The SSE is applicable to thermoelectric generation because the thermally generated…

A thermal gradient and/or a chemical potential gradient in a conducting medium can lead to an electric field, an effect known as thermoelectric effect or Seebeck effect. In the context of heavy-ion collisions, we estimate the thermoelectric…

High Energy Physics - Phenomenology · Physics 2020-07-30 Aman Abhishek , Arpan Das , Deepak Kumar , Hiranmaya Mishra

A model of charge hopping transport that accounts for anisotropy of localized states and Coulomb interaction between charges is proposed. For the anisotropic localized states the degree of orientation relates exponentially to the ratio of…

Mesoscale and Nanoscale Physics · Physics 2022-04-05 S. Ihnatsenka

In spite of intensive studies on thermoelectricity in metals, little is known about thermoelectric response in semiconductors at low temperature. An even more fascinating and unanswered question is what happens to the Seebeck coefficient…

Strongly Correlated Electrons · Physics 2024-02-06 Yuna Nakajima , Yuichi Akahama , Yo Machida

W. Chr. Germs, K. Guo, R. A. J. Janssen, and M. Kemerink [1] recently measured the temperature and concentration dependent seebeck coefficient in organic thin film transistor and found the seebeck coefficient increases with carrier…

Disordered Systems and Neural Networks · Physics 2012-12-04 Ling Li , Nianduan Lu , Ming Liu

A particularly promising pathway to enhance the efficiency of thermoelectric materials lies in the use of resonant states, as suggested by experimentalists and theorists alike. In this paper, we go over the mechanisms used in the literature…

Materials Science · Physics 2017-09-13 Simon Thébaud , Christophe Adessi , Stéphane Pailhès , Georges Bouzerar

We present systematic theoretical results on thermoelectric effects in semimetals based on the variational method of the linearized Boltzmann equation. Inelastic electron-hole scattering is known to play an important role in the unusual…

Strongly Correlated Electrons · Physics 2023-03-31 Keigo Takahashi , Hiroyasu Matsuura , Hideaki Maebashi , Masao Ogata

We report on a study of Seebeck coefficient and resistivity in the quasi-one-dimensional conductor (TMTSF)$_{2}$PF$_{6}$ extended deep into the Spin-Density-Wave(SDW) state. The metal-insulator transition at $T_{SDW}$ = 12 K leads to a…

Strongly Correlated Electrons · Physics 2016-03-01 Yo Machida , Xiao Lin , Woun Kang , Koichi Izawa , Kamran Behnia

We study the thermoelectric effect of two-dimensional metals on a square lattice within semiclassical Boltzmann transport theory with particular focus on electron-electron scattering. We compute the electrical conductivity and the Seebeck…

Strongly Correlated Electrons · Physics 2013-09-17 Jonathan M. Buhmann , Manfred Sigrist

In this paper we investigate the effect of strong electronic interactions on the thermoelectric properties of a simple generic system, consisting of a single correlated layer sandwiched between two metallic leads. Results will be given for…

Strongly Correlated Electrons · Physics 2017-09-07 Irakli Titvinidze , Antonius Dorda , Wolfgang von der Linden , Enrico Arrigoni

Thermoelectricity was discovered almost two centuries ago in bismuth. The large and negative Seebeck coefficient of this semimetal remains almost flat between 300 K and 100 K. This striking feature can be understood by considering the ratio…

Other Condensed Matter · Physics 2022-06-29 Felix Spathelf , Benoît Fauqué , Kamran Behnia

Organic semiconductors show complex phenomena due to their high energetic disorder. A striking example is the possibility of an increased effective temperature T_eff of the charge carrier distribution relative to the lattice temperature,…

Disordered Systems and Neural Networks · Physics 2025-08-08 Anton Kompatscher , Martijn Kemerink

The Seebeck coefficient is examined for two-dimensional Dirac electrons in the three-quarter filled organic conductor alpha-(BEDT-TTF)_2I_3 under hydrostatic pressure, where the Seebeck coefficient is proportional to the ratio of the…

Mesoscale and Nanoscale Physics · Physics 2024-04-10 Yoshikazu Suzumura , Takao Tsumuraya , Masao Ogata

We explore the possibility to perform an in-situ transmission electron microscopy (TEM) thermoelectric characterization of materials. A differential heating element on a custom in-situ TEM microchip allows to generate a temperature gradient…

Materials Science · Physics 2025-01-14 Simon Hettler , Mohammad Furqan , Andres Sotelo , Raul Arenal

We discuss galvanomagnetic and thermomagnetic effects in disordered electronic systems focusing on intermediate temperatures, for which electron-electron scattering and electron-impurity scattering occur at similar rates, while…

Strongly Correlated Electrons · Physics 2021-01-04 Woo-Ram Lee , Alexander Finkel'stein , G. Schwiete

We have examined an isovalent Rh substitution effect on the transport properties of the thermoelectric oxide Ca$_3$Co$_{4}$O$_9$ using single-crystalline form. With increasing Rh content $x$, both the electrical resistivity and the Seebeck…

Strongly Correlated Electrons · Physics 2016-06-10 Yusuke Ikeda , Kengo Saito , Ryuji Okazaki

Thermoelectric properties of the layered cobalt oxide system LixCoO2 were investigated in a wide range of Li composition, 0.98 >= x >= 0.35. Single-phase bulk samples of LixCoO2 were successfully obtained through electrochemical…

Strongly Correlated Electrons · Physics 2011-05-25 T. Motohashi , Y. Sugimoto , Y. Masubuchi , T. Sasagawa , W. Koshibae , T. Tohyama , H. Yamauchi , S. Kikkawa

Theoretical descriptions of the Seebeck coefficient in terms of the differential electrical conductivity given by Cutler and Mott is the foundation of later works in terms of transmission function from the thermoelectric transport theory.…