Journal
APPLIED PHYSICS LETTERS
Volume 118, Issue 14, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/5.0046877
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Funding
- CREST Creation of Innovative Core Technologies for Nano-enabled Thermal Management from JST, Japan [JPMJCR17I1]
- PRESTO Scientific Innovation for Energy Harvesting Technology from JST, Japan [JPMJPR17R5]
- Mitou challenge 2050 from NEDO, Japan [P14004]
- JSPS KAKENHI, Japan [18H05246]
- NEC Corporation
- Grants-in-Aid for Scientific Research [18H05246] Funding Source: KAKEN
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The transverse thermoelectric effect involves the conversion of a temperature gradient into a transverse charge current in a magnetic field or magnetic material, or vice versa. The anomalous Nernst effect in magnetic materials has gained attention for its potential applications in fundamental physics and thermoelectricity. Recent progress has been made in utilizing magnetic materials for transverse thermoelectric generation, with the potential to advance thermal energy harvesting and heat-flux sensing technologies.
The transverse thermoelectric effect refers to the conversion of a temperature gradient into a transverse charge current, or vice versa, which appears in a conductor under a magnetic field or in a magnetic material with spontaneous magnetization. Among such phenomena, the anomalous Nernst effect in magnetic materials has been receiving increasing attention from the viewpoints of fundamental physics and thermoelectric applications owing to the rapid development of spin caloritronics and topological materials science. In this research trend, a conceptually different transverse thermoelectric conversion phenomenon appearing in thermoelectric/magnetic hybrid materials has been demonstrated, enabling the generation of a large transverse thermopower. Here, we review the recent progress in fundamental and applied studies on the transverse thermoelectric generation using magnetic materials. We anticipate that this perspective will further stimulate research activities on the transverse thermoelectric generation and lead to the development of next-generation thermal energy harvesting and heat-flux sensing technologies.
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