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Spin‐Dependent Thermoelectric Transport in Cobalt‐Based Heusler Alloys
Annalen Der Physik ( IF 2.4 ) Pub Date : 2020-03-23 , DOI: 10.1002/andp.201900456
Junfeng Hu 1, 2 , Simon Granville 3, 4 , Haiming Yu 1
Affiliation  

Sitting at the intersection of spintronics and thermoelectricity, research investigating the coupling of thermoelectric, magnetic, and electrical transport properties in materials has recently found that the ferromagnetic Heusler alloys are the ideal testbeds. These materials have attracted a lot of attention due to their useful magnetotransport properties and the possibility of tailoring these properties by modifying their composition or producing heterostructures. With the diverse range of interesting phenomena in the Heusler alloys, ferromagnetic Heusler alloys are also ideal candidates for engineering spin caloritronic devices that can take advantage of the interplay of the physics of heat flow, magnetism, and electric potential. The fundamental physical concepts important to spin‐dependent thermoelectrics research are introduced and recent studies of several ferromagnetic Heusler compounds are reviewed, highlighting some exceptional latest experiments on half‐metallic Co2TiSn and the ferromagnetic Weyl semimetal Co2MnGa. Furthermore, the potential to generate useful magnetothermoelectric voltages in electronic devices based on the anomalous Nernst effect is discussed.

中文翻译:

钴基赫斯勒合金中自旋相关的热电传输

坐在自旋电子学和热电学的交叉点上,研究材料中热电,磁和电传输特性的耦合的研究最近发现,铁磁赫斯勒合金是理想的试验台。这些材料由于其有用的磁传输性质以及通过改变其组成或产生异质结构来调整这些性质的可能性而吸引了很多注意力。随着Heusler合金中各种有趣现象的出现,铁磁Heusler合金也是工程自旋量热电子器件的理想候选者,这些器件可以利用热流,磁场和电势的相互作用。2 TiSn和强磁性Weyl半金属Co 2 MnGa。此外,讨论了基于异常能斯特效应在电子设备中产生有用的磁热电压的可能性。
更新日期:2020-03-23
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