Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2006-09-20
Physica C, Volumes 437-438, 15 May 2006, Pages 309-313
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
6 pages, 4 figures, Joint JSPS and ESF Conference on Vortex Matter in Nanostructured Superconductors (VORTEX IV)
Scientific paper
10.1016/j.physc.2006.03.019
We theoretically study the nonlocal spin transport in a device consisting of a nonmagnetic metal (N) and ferromagnetic injector (F1) and detector (F2) electrodes connected to N. We solve the spin-dependent transport equations in a device with arbitrary interface resistance from a metallic-contact to tunneling regime, and obtain the conditions for efficient spin injection, accumulation, and transport in the device. In a device containing a superconductor (F1/S/F2), the effect of superconductivity on the spin transport is investigated. The spin-current induced spin Hall effect in nonmagnetic metals is also discussed.
Maekawa Sasamichi
Takahashi Saburo
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