| 摘要 |
A spin valve element 10 including a spin injector 12 made of a ferromagnetic material, a spin detector 16 made of a ferromagnetic material, and a channel part 14 made of a non-magnetic material. The spin detector 16 is arranged at a position separated from the spin injector 12, the channel part 14 is connected with the spin injector 12 and the spin detector 16 directly or through an insulating layer, and a plurality of spin diffusion portions 30 to 34 with enlarged cross section areas in a direction perpendicular to a spin current is formed in the channel part 14. |
