期刊
PHYSICAL REVIEW B
卷 91, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.91.020403
关键词
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资金
- European Commission under the Marie Curie Actions [256470-ITAMOSCINOM]
- NMP Project [263104-HINTS]
- European Research Council [257654-SPINTROS]
- Spanish MINECO [MAT2012-37638, MAT2012-36844, FIS2011-28851-C02-02]
- Basque Government [PI2012-47, BFI-2010-163, BFI-2011-106]
- UPV/EHU Project [IT-756-13]
We propose and demonstrate spin manipulation by magnetically controlled modulation of pure spin currents in cobalt/copper lateral spin valves, fabricated on top of the magnetic insulator Y3Fe5O12 (YIG). The direction of the YIG magnetization can be controlled by a small magnetic field. We observe a clear modulation of the nonlocal resistance as a function of the orientation of the YIG magnetization with respect to the polarization of the spin current. Such a modulation can only be explained by assuming a finite spin-mixing conductance at the Cu/YIG interface, as it follows from the solution of the spin-diffusion equation. These results open a path towards the development of spin logics.
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