Journal
APPLIED PHYSICS LETTERS
Volume 104, Issue 4, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4863084
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Funding
- Japanese Ministry of Education Culture, Sports, Science and Technology (MEXT)
- DFG [SPP 1538]
- EU RTN Spinicur
- DAAD SpinNet
- [25800184]
- [25220910]
- [25247056]
- Grants-in-Aid for Scientific Research [25247056, 25800184] Funding Source: KAKEN
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We derive expressions for the efficiency and figure of merit of two spin caloritronic devices based on the spin Seebeck effect (SSE), i.e., the generation of spin currents by a temperature gradient. The inverse spin Hall effect is conventionally used to detect the SSE and offers advantages for large area applications. We also propose a device that converts spin current into electric one by means of a spin-valve detector, which scales favorably to small sizes and approaches a figure of merit of 0.5 at room temperature. (C) 2014 AIP Publishing LLC.
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