Journal
APPLIED PHYSICS EXPRESS
Volume 8, Issue 8, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.7567/APEX.8.083001
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Funding
- PRESTO Phase Interfaces for Highly Efficient Energy Utilization
- Strategic International Cooperative Program ASPIMATT from the Japan Science and Technology Agency (JST)
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) [25707029, 26600067, 24244051, 26103005]
- NEC Corporation
- Grants-in-Aid for Scientific Research [15J08026, 26103005] Funding Source: KAKEN
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We report the observation of longitudinal spin Seebeck effects (LSSEs) in an all-oxide bilayer system comprising an IrO2 film and an Y3Fe5O12 film. Spin currents, which are generated by a temperature gradient across the IrO2/Y3Fe5O12 interface, were detected as a voltage via the inverse spin Hall effect in the conductive IrO2 layer. This voltage is proportional to the magnitude of the temperature gradient; its magnetic field dependence is consistent with the characteristics of LSSEs. This demonstration may lead to the realization of low-cost, stable, transparent spin-current-driven thermoelectric devices. (C) 2015 The Japan Society of Applied Physics
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