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http://dx.doi.org/10.4283/JKMS.2006.16.2.121

Diffusion Theory of Spin Injection  

Lee, B.C. (Department of Physics, Inha University)
Abstract
The diffusion theory for spin injection from magnetic layer into nonmagnetic layer was reviewed. Basic equations were derived and applied to a ferromagnet/semiconductor/ferromagnet system. The spin polarization and magnetoresistance were calculated. The reason for difficulty in detecting spin injection with magnetoresistance was explained, and a possible solution was discussed.
Keywords
spin injection; diffusion theory; spin polarization;
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