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Recently, different transport coefficients have been measured in High-Tc superconductors to pinpoint the nature of the pseudogap phase. In particular, the thermoelectric coefficients received a considerable attention both theoretically and…

Superconductivity · Physics 2013-01-01 Sangwoo S. Chung , Paata Kakashvili , C. J. Bolech

Dirac semimetals (DSM) and Weyl semimetal (WSM) fall under the generic class of three-dimensional solids, which follow relativistic energy-momentum relation $\epsilon_\mathbf{k}= \hbar v_F |\mathbf{k}|$ at low energies. Such a linear…

Mesoscale and Nanoscale Physics · Physics 2024-02-19 Gargee Sharma , Sumanta Tewari

The discovery of magnetic topological semimetals recently attracted significant attention in the field of topology and thermoelectrics. In a thermoelectric device based on the Nernst geometry, an external magnet is required as an integral…

We predict a large anomalous Nernst effect in the inverse Heusler compensated ferrimagnets Ti$_2$Mn$X$ ($X$=Al,Ga,In) with vanishing net magnetic moments. Though the net magnetic moment is zero, the Weyl points in these systems lead to a…

Materials Science · Physics 2020-03-30 Jonathan Noky , Jacob Gayles , Claudia Felser , Yan Sun

The Hall effect can be extended by inducing a temperature gradient in lieu of electric field that is known as the Nernst (-Ettingshausen) effect. The recently discovered spin Nernst effect in heavy metals continues to enrich the picture of…

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

Thermoelectric modules are a promising approach to energy harvesting and efficient cooling. In addition to the longitudinal Seebeck effect, recently transverse devices utilizing the anomalous Nernst effect (ANE) have attracted interest. For…

Anomalous Nernst effect generates a transverse voltage perpendicular to the temperature gradient. It has several advantages compared with the longitudinal thermoelectricity for energy conversion, such as decoupling of electronic and thermal…

Materials Science · Physics 2023-01-02 Panshuo Wang , Zongxiang Hu , Xiaosong Wu , Qihang Liu

When a superconductor is heated above its critical temperature $T_c$, macroscopic coherence vanishes, leaving behind droplets of thermally fluctuating Cooper pair. This superconducting fluctuation effect above $T_c$ has been investigated…

Transverse thermoelectric conversion holds significant potential in addressing complex challenges faced by classical Seebeck/Peltier modules. A promising transverse thermoelectric phenomenon is the anomalous Nernst effect (ANE) originating…

Materials Science · Physics 2024-11-25 Takamasa Hirai , Fuyuki Ando , Hossein Sepehri-Amin , Ken-ichi Uchida

Very recently large Nernst effect and Seebeck effect were observed above the superconducting transition temperature 2.3K in a heavy fermion superconductor CeCoIn_5. We shall interpret this large Nernst effect in terms of unconventional…

Strongly Correlated Electrons · Physics 2009-11-10 Balázs Dóra , Kazumi Maki , Attila Virosztek , András Ványolos

We report the observation of a universal scaling of the Nernst coefficient over a wide intermediate temperature range in heavy fermion materials, including the superconductors CeCu$_2$Si$_2$, CeCoIn$_5$, and Ce$_2$PdIn$_8$, the…

Strongly Correlated Electrons · Physics 2020-07-22 Yi-feng Yang

We explore the magnetotransport and thermoelectric (Seebeck and Nernst coefficients) properties of Mn3SnC an antiperovskite magnetic Nodal line semimetal. Mn3SnC shows paramagnetic (PM) to concurrent antiferromagnetic (AFM)/ferromagnetic…

Strongly Correlated Electrons · Physics 2024-06-21 Sunil Gangwar , Sonika , C. S. Yadav

We present a study of electric, thermal and thermoelectric transport in elemental Bismuth, which presents a Nernst coefficient much larger than what was found in correlated metals. We argue that this is due to the combination of an…

Strongly Correlated Electrons · Physics 2007-05-23 Kamran Behnia , Marie-Aude Measson , Yakov Kopelevich

Kagome magnets exhibit a range of novel and nontrivial topological properties due to the strong interplay between topology and magnetism, which also extends to their thermoelectric applications. Recent advances in the study of magnetic…

Strongly Correlated Electrons · Physics 2026-01-14 Jiajun Ma , Jiaxing Liao , Yazhou Li , Yuwei Zhang , Jialu Wang , Jinke Bao , Yan Sun , Shuang Jia , Yuke Li

The Anomalous Nernst Effect (ANE) has garnered significant interest for practical applications, particularly in energy harvesting and heat flux sensing. For these applications, it is crucial for the module to operate without an external…

Mesoscale and Nanoscale Physics · Physics 2024-01-10 Miho Odagiri , Hiroto Imaeda , Ahmet Yagmur , Yuichiro Kurokawa , Satoshi Sumi , Hiroyuki Awano , Kenji Tanabe

The anomalous Hall and Nernst effects describe the voltage drop perpendicular to an applied current and temperature gradient due to the magnetization of a magnetic material. These effects can be utilized to measure the Berry curvature at…

Strongly Correlated Electrons · Physics 2024-02-01 Longfei Li , Shuyue Guan , Shengwei Chi , Jiawei Li , Xinxuan Lin , Gang Xu , Shuang Jia

The interplay among heat, spin, and charge is the central focus in spin caloritronic research. While the longitudinal heat-to-spin conversion via the spin Seebeck effect has been intensively studied, the transverse heat-to-spin conversion…

Materials Science · Physics 2025-02-17 Wen-Yuan Li , Chia-Hsi Lin , Guang-Yu Guo , Ssu-Yen Huang , Danru Qu

Transverse thermoelectric devices produce electric fields perpendicular to an incident heat flux. Classically, this process is driven by the Nernst effect in bulk solids, wherein a magnetic field generates a Lorentz force on thermally…

Materials Science · Physics 2017-01-04 Stephen R. Boona , Koen Vandaele , Isabel N. Boona , David W. McComb , Joseph P. Heremans

A thermal gradient generates an electric field in any solid hosting mobile electrons. In presence of a finite magnetic field (or Berry curvature) this electric field has a transverse component. These are known as Seebeck and Nernst…

Strongly Correlated Electrons · Physics 2022-04-12 Kamran Behnia