Nonlocal Spin Transport in Lateral Spin Valves with Multiple Ferromagnetic Electrodes

Details Nonlocal Spin Transport in Lateral Spin Valves with Multiple Ferromagnetic Electrodes Nonlocal Spin Transport in Lateral Spin Valves with Multiple Ferromagnetic Electrodes

2008-11-19

arxiv.org/abs/0811.3138v1

J. Kor. Phys. Soc. 53, 973 (2008)

Physics

Condensed Matter

Materials Science

6 pages, 1 figure

Scientific paper

We study the nonlocal spin transport in a lateral spin valve with multiple ferromagnetic (FM) electrodes. When two current-injecting and two spin current-detecting electrodes are all ferromagnetic, the number of possible nonlocal spin signal states is four at maximum. In reality, this number is reduced, depending on the inter-probe distance and the relative magnitudes of the spin resistances. Our theoretical results are in agreement with recent experiments of spin injection into an Al island, a carbon nanotube, and graphene.

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