Separation of spin Seebeck effect and anomalous Nernst effect in Co/Cu/YIG

The spin Seebeck effect (SSE) and Anomalous Nernst effect (ANE) have been observed in Co/Cu/YIG (yttrium iron garnet) multi-layer structure, where the ferromagnetic insulator YIG acts as the pure spin injector and the ferromagnetic metal Co layer acts as the spin current detector. With the insertion...

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Bibliographic Details
Published in:Applied physics letters 2015-05, Vol.106 (21)
Main Authors: Tian, Dai, Li, Yufan, Qu, D., Jin, Xiaofeng, Chien, C. L.
Format: Article
Language:English
Subjects:
Applied physics
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Ferromagnetism
Multilayers
Nernst-Ettingshausen effect
phonons
Seebeck effect
Separation
spin dynamics
Spintronics
thermal conductivity
thermoelectric
Yttrium
Yttrium-iron garnet
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Summary:The spin Seebeck effect (SSE) and Anomalous Nernst effect (ANE) have been observed in Co/Cu/YIG (yttrium iron garnet) multi-layer structure, where the ferromagnetic insulator YIG acts as the pure spin injector and the ferromagnetic metal Co layer acts as the spin current detector. With the insertion of 5 nm Cu layer, the two ferromagnetic layers are decoupled, thus allowing unambiguous separation of the SSE and ANE contributions under the same experimental conditions in the same sample.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4921927