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The spin-Seebeck effect refers to voltage signals induced in metals by thermally driven spin currents in adjacent magnetic systems. We present a theory of the spin-Seebeck signal in the case where the conductor that supports the voltage…

Mesoscale and Nanoscale Physics · Physics 2017-04-26 Nobuyuki Okuma , Massoud Ramezani Masir , Allan H. MacDonald

We explore the thermoelectric transport properties of a coexistence topological semimetal, characterized by the presence of both a pair of Weyl points and a nodal ring in the quantum limit. This system gives rise to complex Landau bands…

Mesoscale and Nanoscale Physics · Physics 2024-03-12 L. W. Guo , C. M. Wang

We investigate the thermoelectric effect for baryon rich plasma produced in heavy ion collision experiments. We estimate the associated Seebeck coefficient for the hadronic matter. Using kinetic theory within relaxation time approximation…

High Energy Physics - Phenomenology · Physics 2019-01-16 Jitesh R. Bhatt , Arpan Das , Hiranmaya Mishra

Substitution of Sb in FeSb$_2$ by less than 0.5% of Te induces a transition from a correlated semiconductor to an unconventional metal with large effective charge carrier mass $m^*$. Spanning the entire range of the semiconductor-metal…

Materials Science · Physics 2016-08-14 P. Sun , M. Søndergaard , Y. Sun , S. Johnsen , B. B. Iversen , F. Steglich

Thermoelectricity refers to the conversion of thermal energy into electrical energy and vice-versa, which relies on three main effects: Seebeck, Peltier and Thomson, all of which are manifestations of heat and electricity flow. In this work…

We investigate the thermoelectric propeties of the electron-doped FeAs$_2$ both experimentally and theoretically. Electrons are doped by partially substituting Se for As, which leads to a metallic behavior in the resistivity. A Seebeck…

Materials Science · Physics 2013-09-06 Hidetomo Usui , Kazuhiko Kuroki , Seiya Nakano , Kazutaka Kudo , Minoru Nohara

We have investigated the effect of Sb-deficiency on the thermoelectric figure of merit (zT) of Zn4Sb3 prepared by solid state reaction route. At high temperatures, the Seebeck coefficient (S) and electrical conductivity ({\sigma}) increase…

Materials Science · Physics 2015-05-06 Anup V. Sanchela , Ajay D. Thakur , C. V. Tomy

Thermoelectric effect generating electricity from thermal gradient and vice versa appears in numerous generic applications. Recently, an original prospect of thermoelectricity arising from the nonlocal Cooper pair splitting (CPS) and the…

Mesoscale and Nanoscale Physics · Physics 2020-06-01 Z. B. Tan , A. Laitinen , N. S. Kirsanov , A. Galda , M. Haque , A. Savin , D. S. Golubev , V. M. Vinokur , G. B. Lesovik , P. J. Hakonen

We describe a theory on photo-thermoelectric properties of a semiconductor, which include photo-conductivity, photo-Seebeck coefficient, and photo-Hall effect. We demonstrate that these properties provide a powerful tool for the study of…

Materials Science · Physics 2019-11-01 Zhenyu Pan , Zheng Zhu , Jeffrey J. Urban , Fan Yang , Heng Wang

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 present work investigates the less explored thermoelectric properties of n-type GaN semiconductors by combined both the experimental and computational tools. Seebeck coefficients of epitaxial thin films of GaN were experimentally…

Materials Science · Physics 2021-02-24 Ashish Kumar , Saurabh Singh , Ashutosh Patel , K. Asokan , D. Kanjilal

Thermoelectric (TE) conversion in conducting materials is of eminent importance for providing renewable energy and solid-state cooling. Although traditionally, the Seebeck effect plays a key role for the TE figure of merit zST, it…

Materials Science · Physics 2020-01-16 Junsen Xiang , Sile Hu , Meng Lyu , Wenliang Zhu , Chaoyang Ma , Ziyu Chen , Frank Steglich , Genfu Chen , Peijie Sun

Reliable evaluation of the lattice thermal conductivity is of importance for optimizing the figure-of-merit of thermoelectric materials. Traditionally, when deriving the phonon mediated thermal conductivity $\kappa_{ph} = \kappa -…

Materials Science · Physics 2014-08-15 M. X. Chen , R. Podloucky

The iron-oxypnictide compounds, recently reported as a new class of superconductors when appropriately doped, exhibit large Seebeck coefficients, of the order of -100 microV/K, while keeping good electrical conductivity. Their power factor…

Superconductivity · Physics 2008-07-23 Loreynne Pinsard-Gaudart , David Berardan , Julien Bobroff , Nita Dragoe

We study the electric and thermoelectric transport properties of correlated quantum dots coupled to two ferromagnetic leads and one superconducting electrode. Transport through such hybrid devices depends on the interplay of…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 Krzysztof P. Wojcik , Ireneusz Weymann

Thermoelectric devices that utilize the Seebeck effect convert heat flow into electrical energy and are highly desirable for the development of portable, solid state, passively-powered electronic systems. The conversion efficiencies of such…

Materials Science · Physics 2015-01-06 Ruixiang Fei , Alireza Faghaninia , Ryan Soklaski , Jia-An Yan , Cynthia Lo , Li Yang

We develop a theoretical framework to study the influences of coupling asymmetry on the thermoelectrics of a strongly coupled SU($N$) Kondo impurity based on a local Fermi liquid theory. Applying non-equilibrium Keldysh formalism, we…

Mesoscale and Nanoscale Physics · Physics 2019-09-25 D. B. Karki , Mikhail N. Kiselev

Using wave function matching approach and employing the Landauer-Buttiker formula a ferromagnetic graphene junction with a temperature gradient across the system, is studied. We calculate the thermally induced charge and spin current as…

Mesoscale and Nanoscale Physics · Physics 2016-08-24 Javad Vahedi , Fattaneh Barimani

The Seebeck coefficient is an important quantity in determining the thermoelectric efficiency of a material. Phosphorene is a two-dimensional material with a puckered structure, which makes its properties anisotropic. In this work, a…

Materials Science · Physics 2023-01-05 M. Amir Bazrafshan , Farhad Khoeini

Research on conjugated polymers for thermoelectric applications has made tremendous progress in recent years, which is accompanied by surging interest in molecular doping as a means to achieve the high electrical conductivities that are…