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From a systematic study of thermal and charge transport in various single crystals of compensated topological insulators we identify the evolution of a large low-temperature thermal Hall effect as a characteristic common feature. In order…

Strongly Correlated Electrons · Physics 2024-03-14 Rohit Sharma , Mahasweta Bagchi , Yongjian Wang , Yoichi Ando , Thomas Lorenz

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

The atomic variations of electronic wavefunctions at the surface and electron scattering near a defect have been detected unprecedentedly by tracing thermoelectric voltages given a temperature bias [Cho et al., Nature Mater. 12, 913…

Mesoscale and Nanoscale Physics · Physics 2014-04-02 Eui-Sup Lee , Sanghee Cho , Ho-Ki Lyeo , Yong-Hyun Kim

Coherent thermal emission for a given polarization has been observed in many metamaterials with micro/nanostructures. A complete description of the thermal emission requires the full characterization of the spectral angular emissivity for…

Optics · Physics 2022-12-21 Chiyu Yang , Wenshan Cai , Zhuomin M. Zhang

We investigate the thermoelectric properties of electrons at the interface of oxide heterostructure and in the presence of a multiferroic oxide with spiral spin order. We find there is no (spin) Hall current generated by the temperature…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Chenglong Jia , Jamal Berakdar

The interplay of charge, spin and heat transport is investigated in the fascinating research field of spin caloritronics, the marriage of spintronics and thermoelectrics. Here, many new spin-dependent thermal transport phenomena in magnetic…

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…

Materials Science · Physics 2014-03-18 Yehea Ismail , Ahmed Alaskalany

We investigate basic properties of the thermopower (Seebeck coefficient) of phase-coherent conductors under the influence of dephasing and inelastic processes. Transport across the system is caused by a voltage bias or a thermal gradient…

Mesoscale and Nanoscale Physics · Physics 2011-11-17 David Sanchez , Llorens Serra

We present a mesoscopic model for thermoelectric phenomena in terms of an interacting particle system, a lattice electron gas dynamics that is a suitable extension of the standard simple exclusion process. We concentrate on electronic heat…

Statistical Mechanics · Physics 2009-11-10 Christian Maes , Maarten H. van Wieren

The Seebeck and Peltier effects have been widely studied and used in various thermoelectric technologies, including thermal energy harvesting and solid-state heat pumps. However, basic and applied studies on the Thomson effect, another…

Thermoelectric devices convert temperature gradients into electrical power and vice versa, thus enabling energy scavenging from waste heat, sensing and cooling. Yet, many of these attractive applications are hindered by the limited…

Materials Science · Physics 2019-02-14 Davide Donadio

A new measurement technique for the spin Seebeck effect is presented, wherein the normal metal layer used for its detection is exploited simultaneously as a resistive heater and thermometer. We show how the various contributions to the…

Mesoscale and Nanoscale Physics · Physics 2013-12-12 Michael Schreier , Niklas Roschewsky , Erich Dobler , Sibylle Meyer , Hans Huebl , Rudolf Gross , Sebastian T. B. Goennenwein

We investigate thermoelectric properties of a ferromagnet-superconductor hybrid structure with Rashba spin-orbit interaction and delta function potential barrier at the interfacial layer. The exponential rise of thermal conductance with…

Mesoscale and Nanoscale Physics · Physics 2017-09-07 Paramita Dutta , Arijit Saha , A. M. Jayannavar

Large-volume deployment of Si-based Seebeck generators can be foreseen only if polycrystalline rather than single crystalline materials can be actually used. The aim of this study was therefore to verify whether polycrystalline Si films…

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…

Mesoscale and Nanoscale Physics · Physics 2025-10-14 Jordan T. McCourt , John Chiles , Chun-Chia Chen , Kenji Watanabe , Takashi Tanaguchi , Francois Amet , Gleb Finkelstein

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…

Mesoscale and Nanoscale Physics · Physics 2023-08-21 Dmitry Zverevich , A. V. Andreev , Alex Levchenko

First principle calculations are performed to investigate the effect of polar order strength on the thermoelectric (TE) properties of GeTe alloy in its rhombohedral structure. The variation in the polarization state using various…

Computational Physics · Physics 2026-01-06 Aida Sheibani , Charles Paillard , Abhyian Pandit , Raad Haleoot , Laurent Bellaiche , Bothina Hamad

The spin Seebeck effect refers to the generation of a spin voltage caused by a temperature gradient in a ferromagnet, which enables the thermal injection of spin currents from the ferromagnet into an attached nonmagnetic metal over a…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Hiroto Adachi , Ken-ichi Uchida , Eiji Saitoh , Sadamichi Maekawa

Multiferroic materials have undergone extensive research in the past two decades in an effort to produce a sizable room-temperature magneto-electric (ME) effect in either exclusive or composite materials for use in a variety of electronic…

Thermal excitations typically reduce the electric polarization in ferroelectric materials. Here, we show by means of first-principles calculations that multiferroic BiFe$_{1-x}$Co$_{x}$O$_{3}$ solid solutions with $0.25 \le x \le 0.50$…

Materials Science · Physics 2020-09-16 Cesar Menendez , Claudio Cazorla