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We show that the huge Seebeck coefficients observed recently for ionic conductors, arise from a ratchet effect where activated jumps between neighbor sites are rectified by a temperature gradient, thus driving mobile ions towards the cold.…

Soft Condensed Matter · Physics 2021-02-17 Alois Würger

It has been proposed that paramagnetic materials exhibit a unique thermoelectric effect near the ferromagnetic transition point due to spin fluctuations. This phenomenon is often referred to as paramagnon drag. We calculate the contribution…

Strongly Correlated Electrons · Physics 2022-01-12 Junya Endo , Hiroyasu Matsuura , Masao Ogata

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,…

Strongly Correlated Electrons · Physics 2020-02-19 Woo-Ram Lee , Alexander M. Finkel'stein , Karen Michaeli , Georg Schwiete

We discuss the peculiarities of the Seebeck effect in stabilized electrolytes containing the colloidal particles. Its unusual feature is the two-stage character, with the linear increase of differential thermopower as the function of…

Soft Condensed Matter · Physics 2021-02-24 Ioulia Chikina , Sawako Nakamae , Valeriy Shikin , Andrey Varlamov

The spin Seebeck effect has recently been demonstrated as a viable method of direct energy conversion that has potential to outperform energy conversion from the conventional Seebeck effect. In this study, a computational transport model is…

Computational Physics · Physics 2017-12-13 Anveeksh Koneru , Terence D. Musho

We propose a near-field inelastic thermoelectric heat engine where quantum-dots are used to effectively rectify the charge flow of photo-carriers. The device converts near-field heat radiation into useful electrical power. Heat absorption…

Mesoscale and Nanoscale Physics · Physics 2018-03-28 Jian-Hua Jiang , Yoseph Imry

We theoretically consider the spin Seebeck effect, the charge Seebeck coefficient, and the thermoelectric figure of merit in superconducting hybrid structures including either magnetic textures or intrinsic spin-orbit coupling. We…

Mesoscale and Nanoscale Physics · Physics 2017-02-01 Marianne Etzelmüller Bathen , Jacob Linder

The effects of electronic correlations and orbital degeneracy on thermoelectric properties are studied within the context of multi-orbital Hubbard models on different lattices. We use dynamical mean field theory with iterative perturbation…

Strongly Correlated Electrons · Physics 2015-06-16 Mehdi Kargarian , Gregory A. Fiete

Thermoelectric phenomena in photoexcited graphene have been the topic of several theoretical and experimental studies because of their potential usefulness in optoelectronic applications. However, available theoretical descriptions of the…

Mesoscale and Nanoscale Physics · Physics 2021-10-04 Andrea Tomadin , Marco Polini

High Seebeck coefficient by creating large density of state (DOS) around the Fermi level through either electronic structure modification or manipulating nanostructures, is commonly considered as a route to advanced thermoelectrics.…

Materials Science · Physics 2011-11-24 Yanzhong Pei , Aaron D. LaLonde , Heng Wang , G. Jeffrey Snyder

Novel organic materials formed from functional molecules are attractive for various nanoelectronic applications because they are environmentally friendly, widely available and inexpensive. Recent advancement in bottom-up fabrication methods…

Mesoscale and Nanoscale Physics · Physics 2022-12-14 Abdalghani Daaoub , Renhang Wang , Ross Davidson , Sara Sangtarash , Hatef Sadeghi

Topological Insulators are the best thermoelectric materials involving a sophisticated physics beyond their solid state and electronic structure. We show that exists a topological contribution to the thermoelectric effect that arise between…

Mesoscale and Nanoscale Physics · Physics 2019-04-24 Daniel Baldomir , Daniel Faílde

How magnetism affects the Seebeck effect is an important issue widely concerned in the thermoelectric community yet remaining elusive. Based on a thermodynamic analysis of spin degrees of freedom on varied $d$-electron based ferro- and…

Materials Science · Physics 2021-06-15 Peijie Sun , K. Ramesh Kumar , Meng Lyu , Zhen Wang , Junsen Xiang , Wenqing Zhang

A half-Heusler material FeNb$_{0.8}$Ti$_{0.2}$Sb has been identified as a promising thermoelectric material due to its excellent thermoelectric performance at high temperatures. The origins of the efficient thermoelectric performance are…

Materials Science · Physics 2018-08-01 Hong-Jie Pang , Chen-Guang Fu , Hao Yu , Liu-Cheng Chen , Tie-Jun Zhu , Xiao-Jia Chen

We investigate the thermoelectric properties of a one-dimensional quantum system in the presence of an external driving. We employ Floquet scattering theory to calculate linear-response stationary thermoelectric figures of merit in a…

Mesoscale and Nanoscale Physics · Physics 2026-05-12 C. X. Zhang , Alessandro Braggio , Alessandro Romito , Fabio Taddei

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…

Strongly Correlated Electrons · Physics 2016-09-15 Tyler A. Cain , Evgeny Mikheev , Clayton A. Jackson , Susanne Stemmer

The principles of the thermoelectric phenomenon, including Seebeck effect, Peltier effect, and Thomson effect are discussed. The dependence of the thermoelectric devices on the figure of merit, Seebeck coefficient, electrical conductivity,…

Materials Science · Physics 2017-06-29 Ibrahim M Abdel-Motaleb , Syed M. Qadri

We propose a novel actuation mechanism for colloids, which is based on the Seebeck effect of the electrolyte solution: Laser heating of a nonionic particle accumulates in its vicinity a net charge Q, which is proportional to the excess…

Soft Condensed Matter · Physics 2014-01-30 Arghya Majee , Alois Würger

Thermoelectric conversion using Seebeck effect for generation of electricity is becoming an indispensable technology for energy harvesting and smart thermal management. Recently, the spin-driven thermoelectric effects (STEs), which employ…

Heavily doped semiconductors are by far the most studied class of materials for thermoelectric applications in the past several decades. They have Seebeck coefficient values which are 2-3 orders of magnitude higher than metals, making them…

Materials Science · Physics 2019-09-11 Maxime Markov , Emad Rezaei , Safoura Nayeb Sadeghi , Keivan Esfarjani , Mona Zebarjadi