Absence of anomalous Nernst effect in spin Seebeck effect of Pt/YIG
Source abstract
Abstract
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.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Magnetic properties of thin films · Advanced Memory and Neural Computing · Quantum and electron transport phenomena
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Nanjing University 1 National Laboratory of Solid State Microstructures and Department of Physics, , Nanjing 210093, China
Johns Hopkins University 2 Department of Physics and Astronomy, , Baltimore, MD 21218, USA
National Taiwan University 3 Department of Physics, , Taipei 10617, Taiwan
Funding
Yeung Center at Johns Hopkins University · Microelectronics Advanced Research Corporation · Natural Science Foundation of Jiangsu Province · U.S. Department of Energy
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