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The magnetic field which induced by the thermo-electric current in metals was detected and measured using of a flux-gate magnetometer. It is shown that the application of a temperature gradient on a metal rod gives rise to a circulating…

General Physics · Physics 2014-03-11 B. V. Vasiliev

We report the occurrence of the anomalous Nernst effect (ANE) in polycrystalline perovskite La0.5Ca0.5CoO3. The sample is ferromagnetic below TC = 147 K and resistivity shows non-metallic behavior above and below the TC with only a small…

Materials Science · Physics 2022-10-05 A. Ghosh , M. Manikandan , R. Mahendiran

We examine the efficiency of an effective two-terminal thermoelectric device under broken time-reversal symmetry. The setup is derived from a three-terminal thermoelectric device comprising a thermal terminal and two electronic contacts,…

Mesoscale and Nanoscale Physics · Physics 2016-09-14 Kaoru Yamamoto , Ora Entin-Wohlman , Amnon Aharony , Naomichi Hatano

We study transport phenomena cross-correlated among the heat and electric currents of magnons and Dirac electrons on the surface of ferromagnetic topological insulators. For a perpendicular magnetization, we calculate magnon- (electron-)…

Mesoscale and Nanoscale Physics · Physics 2018-07-23 Yusuke Imai , Hiroshi Kohno

As a non-magnetic heavy metal is attached to a ferromagnet, a vertically flowing heat-driven spin current is converted to a transverse electric voltage, which is known as the longitudinal spin Seebeck effect (SSE). If the ferromagnet is a…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Yadong Xu , Bowen Yang , Chi Tang , Zilong Jiang , Michael Schneider , Renu Whig , Jing Shi

We calculate the thermoelectric transport of spin-orbit coupled conduction electrons in the presence of topological spin textures. We show, within a controlled, semiclassical approach that includes all phase space Berry curvatures, that the…

Mesoscale and Nanoscale Physics · Physics 2023-07-26 Zachariah Addison , Lauren Keyes , Mohit Randeria

We analyze theoretically the origin of the spin Nernst and thermal Hall effects in FePS3 as a realization of two-dimensional antiferromagnet (2D AFM). We find that a strong magnetoelastic coupling, hybridizing magnetic excitation (magnon)…

Mesoscale and Nanoscale Physics · Physics 2023-08-31 D. -Q. To , C. Y. Ameyaw , A. Suresh , S. Bhatt , M. J. H. Ku , M. B. Jungfleisch , J. Q. Xiao , J. M. O. Zide , B. K. Nikolic , M. F. Doty

First-generation magnetic random access memories based on anisotropic magnetoresistance required magnetic fields for both writing and reading. Modern all-electrical read/write memories use instead non-relativistic spin-transport connecting…

Materials Science · Physics 2015-06-02 K. Olejník , V. Novák , J. Wunderlich , T. Jungwirth

Edge states in narrow quasi two-dimensional nanostructures determine, to a large extent, their electric, thermoelectric and magnetic properties. Non-magnetic edge states may quite often lead to topological insulator type behavior. However…

Mesoscale and Nanoscale Physics · Physics 2017-10-31 Stefan Krompiewski , Gianaurelio Cuniberti

Anomalous transports, including the anomalous Hall effect (AHE) and anomalous Nernst effect (ANE), are typical manifestations of time-reversal-symmetry-breaking responses in materials. In general, the two Hall states with opposite Hall…

Mesoscale and Nanoscale Physics · Physics 2026-01-09 Dan Li , Shuaiyu Wang , Jiabin chen , Zeling Li , Chaoxi Cui , Lei Li , Lei Wang , Zhi-Ming Yu , Xiaodong Zhou , Xiao-Ping Li

In the past, magnons have been shown to mediate thermal transport of spin in various systems. Here, we reveal that the fundamental coupling of scalar spin chirality, inherent to magnons, to the electronic degrees of freedom in the system…

Mesoscale and Nanoscale Physics · Physics 2019-10-16 Li-chuan Zhang , Fabian R. Lux , Jan-Philipp Hanke , Patrick M. Buhl , Sergii Grytsiuk , Stefan Blügel , Yuriy Mokrousov

We present a detailed study of the Nernst effect N$_{zx}$ in (TMTSF)$_2$PF$_6$ as a function of temperature, magnetic field magnitude and direction and pressure. As previously reported there is a large resonant-like structure as the…

Strongly Correlated Electrons · Physics 2009-11-11 Weida Wu , N. P. Ong , P. M. Chaikin

A prominent feature of $d$-wave altermagnets is that spin current is generated by applying temperature gradient, which is known as the spin-Nernst effect. We show in $f$-wave magnets that spin current is generated proportional to the square…

Mesoscale and Nanoscale Physics · Physics 2026-02-24 Motohiko Ezawa

We report a detailed investigation of the Ni$_{2}$MnGa shape memory alloy through magnetic, electronic, and thermal measurements. Our measurements of the anomalous Nernst effect (ANE) reveal that this technique is very sensitive to the…

Strongly Correlated Electrons · Physics 2021-01-13 Avirup De , Anupam K. Singh , Sanjay Singh , Sunil Nair

$\tau$-MnAl is interesting for spintronic applications as a ferromagnet with perpendicular magnetic anisotropy due to its high uniaxial magnetocrystalline anisotropy. Here we report on the anomalous Nernst effect of sputter deposited…

Non-equilibrium of electrons, phonons, and magnons in metals is a fundamental phenomenon in condensed matter physics and serves as an important driver in the field of ultrafast magnetism. In this work, we demonstrate that the magnetization…

Materials Science · Physics 2020-02-19 Hyejin Jang , Johannes Kimling , David G. Cahill

Functional materials such as magnetic, thermoelectric, and battery materials have been revolutionized through nanostructure engineering. However, spin caloritronics, an advancing field based on spintronics and thermoelectrics with…

We theoretically study thermal transport in an electronic interferometer comprising a parallel circuit of two quantum dots, each of which has a tunable single electronic state which are connected to two leads at different temperature.As a…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Sam Young Cho , Ross H. McKenzie

The intricate interplay between magnetism and the topology of electronic structures provides a rich avenue for tailoring materials with unique and potent anomalous transport properties. In this paper, we present a strategy for inducing…

Materials Science · Physics 2024-12-04 Subhadip Pradhan , Kartik Samanta , Ashis K. Nandy

The transverse Nernst--Ettingshausen effect and thermopower of hot charge carriers in nondegenerate impure semiconductors placed at high electric and nonquantized magnetic fields in the nondiffusion approximation is studied. Arbitrary…

Condensed Matter · Physics 2007-05-23 T. M. Gassym , H. A. Hasanov