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The anomalous Nernst effect (ANE), a thermoelectric phenomenon in magnetic materials, has potential for novel energy harvesting applications because its orthogonal relationship between the temperature gradient and the electric field enables…

材料科学 · 物理学 2019-11-15 Y. Sakuraba , K. Hyodo , A. Sakuma , S. Mitani

Applying a temperature gradient in a magnetic material generates a voltage that is perpendicular to both the heat flow and the magnetization. This is the anomalous Nernst effect (ANE) which was thought to be proportional to the value of the…

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…

介观与纳米尺度物理 · 物理学 2024-01-10 Miho Odagiri , Hiroto Imaeda , Ahmet Yagmur , Yuichiro Kurokawa , Satoshi Sumi , Hiroyuki Awano , Kenji Tanabe

Electric generation of spin current via spin Hall effect is of great interest as it allows an efficient manipulation of magnetization in spintronic devices. Theoretically, spin current can be also created by a temperature gradient, which is…

The anomalous Nernst effect (ANE) - the generation of a transverse electric voltage by a longitudinal heat current in conducting ferromagnets or antiferromagnets - is an appealing approach for thermoelectric power generation in spin…

材料科学 · 物理学 2020-02-17 Xiaodong Zhou , Jan-Philipp Hanke , Wanxiang Feng , Stefan Blügel , Yuriy Mokrousov , Yugui Yao

Localized laser heating creates temperature gradients in all directions and thus leads to three-dimensional electron flux in metallic materials. Temperature gradients in combination with material magnetization generate thermomagnetic…

In ferromagnetic solids, even in absence of magnetic field, a transverse voltage can be generated by a longitudinal temperature gradient. This thermoelectric counterpart of the Anomalous Hall effect (AHE) is dubbed the Anomalous Nernst…

The large Nernst effect is advantageous for developing transverse Nernst thermoelectric generators or Ettingshausen coolers within a single component, avoiding the complexity of electron- and hole-modules in longitudinal Seebeck…

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…

强关联电子 · 物理学 2026-01-14 Jiajun Ma , Jiaxing Liao , Yazhou Li , Yuwei Zhang , Jialu Wang , Jinke Bao , Yan Sun , Shuang Jia , Yuke Li

Anomalous Nernst effect (ANE), a widely investigated transverse thermoelectric effect that converts waste heat into electrical energy with remarkable flexibility and integration capability, has been extended to antiferromagnets with…

A novel process of spin conversion from a temperature gradient to a transverse voltage is addressed in this paper, viz. the anomalous Nernst effect (ANE) in a ferromagnetic metal. We report that an additional voltage is superposed on the…

材料科学 · 物理学 2018-04-12 M. Mizuguchi , K. Hasegawa , J. Ohe , M. Tsujikawa , M. Shirai , K. Takanashi

A large anomalous Nernst effect is essential for thermoelectric energy harvesting in the transverse geometry without external magnetic field. It is often connected with anomalous Hall effect, especially when electronic Berry curvature is…

A large transverse thermoelectric response, known as anomalous Nernst effect (ANE) has been recently observed in several topological magnets. Building a thermopile employing this effect has been the subject of several recent propositions.…

应用物理 · 物理学 2021-09-24 Xiaokang Li , Zengwei Zhu , Kamran Behnia

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 demonstrate that a novel device design, where a shape-engineered tilted-leg thermopile structure is employed, significantly enhances the output voltage in the transverse direction. Owing to the shape engineering of the leg geometry, an…

应用物理 · 物理学 2024-01-23 Ki Mun Bang , Sang J. Park , Hyun Yu , Hyungyu Jin

The anomalous Nernst effect (ANE), a heat-charge conversion mechanism based on a magnetic metal, has been extensively studied for application in thin thermoelectric devices. The low magnetization and fabrication at room temperature are…

材料科学 · 物理学 2021-07-21 Yuichiro Kurokawa , Masahiro Fujimoto , Yuki Hamada , Hiromi Yuasa

This study focuses on the potential of permanent magnets as thermoelectric converters. It is found that a SmCo$_5$-type magnet exhibits the large anomalous Ettingshausen effect (AEE) at room temperature and that its charge-to-heat current…

The thermodynamics of irreversible processes in continuous media predicts the existence of a Magnetic Nernst effect that results from a magnetic analog to the Seebeck effect in a ferromagnet and magnetophoresis occurring in a paramagnetic…

介观与纳米尺度物理 · 物理学 2016-01-20 Sylvain D. Brechet , Jean-Philippe Ansermet

Transverse thermoelectric generation using magnetic materials is essential to develop active thermal engineering technologies, for which the improvements of not only the thermoelectric output but also applicability and versatility are…

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…

材料科学 · 物理学 2023-01-02 Panshuo Wang , Zongxiang Hu , Xiaosong Wu , Qihang Liu