Journal
AIP ADVANCES
Volume 6, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4941340
Keywords
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Funding
- DOE [DE-SC0009390]
- Yeung Center at JHU
- Natural Science Foundation of Jiangsu Province [BK20150565]
- STARnet, a SRC program - MARCO
- STARnet, a SRC program - DARPA
- U.S. Department of Energy (DOE) [DE-SC0009390] Funding Source: U.S. Department of Energy (DOE)
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The Pt/YIG structure has been widely used to study spin Seebeck effect (SSE), inverse spin Hall effect, and other pure spin current phenomena. However, the magnetic proximity effect in Pt when in contact with YIG, and the potential anomalous Nernst effect (ANE) may compromise the spin current phenomena in Pt/YIG. By inserting a Cu layer of various thicknesses between Pt and YIG, we have separated the signals from the SSE and that of the ANE. It is demonstrated that the thermal voltage in Pt/YIG mainly comes from spin current due to the longitudinal SSE with negligible contribution from the ANE. (C) 2016 Author(s).
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