Co2MnSi:Pt multilayers for giant spin Seebeck devices

Co2MnSi:Pt multilayers for giant spin Seebeck devices
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用于巨型自旋塞贝克器件的 Co2MnSi:Pt 多层膜

DOI:
10.1117/12.2271303
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发表时间:
2017
期刊:
--
影响因子:
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通讯作者:
Tatnell D
Tatnell D
中科院分区:
--
文献类型:
--
作者:
Tatnell D

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自旋塞贝克效应(SSE)作为一种潜在的能量收集机制已被广泛研究。然而,利用薄膜形式的自旋热电效应的这种器件的效率尚未达到足够的值以使它们在经济上可行。因此,必须取得进展,调查手段,通过它可以增强热电信号。Co2 MnSi和Pt的多层膜的制造和其特征在于,试图观察增强的电压。我们报告说,双层的铁磁导体/正常金属(FM/NM)表现出纵向SSE响应,这种双层的重复堆叠导致热电电压的增加,这是高度依赖于CMS/Pt和Pt/CMS接口的质量。
The spin Seebeck effect (SSE) has been widely studied as a potential mechanism for energy harvesting. However, the efficiency of such devices, utilizing the spin thermoelectric effect in thin film form, has not yet reached a sufficient value to make them economically viable. It is therefore imperative that advances are made to investigate means by which the thermoelectric signal can be enhanced. Multilayers of Co2MnSi and Pt are fabricated and characterized in an attempt to observe enhanced voltages. We report that bilayers of ferromagnetic conductor/normal metal (FM/NM) exhibit a Longitudinal SSE response and that repetitive stacking of such bilayers results in an increased thermoelectric voltage that is highly dependent upon the quality of CMS/Pt and Pt/CMS interfaces.
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