Spin-dependent transport in a nanopillar non-local spin valve |
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Authors: | J-B Laloë T Yang T Kimura Y Otani |
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Institution: | aAdvanced Science Institute, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan;bInstitute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan |
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Abstract: | We investigate the injection of a pure spin current into a non-magnetic Cu wire in a lateral spin valve. We detect the spin accumulation occurring at the interfaces between the magnetic nanopillars and the non-magnetic wire in the non-local geometry. We confirm that the accumulated spins diffuse equally in the Cu wire irrespective of the presence of a charge current. The inversion of the injector and detector magnetic nanopillars does not affect the spin signal, in agreement with analytical predictions for this system. |
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Keywords: | Lateral spin-valve Spin current |
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