| 摘要 |
There is provided a spin valve transistor that comprises a collector region made of semiconductor, a base region provided on the collector region and including a first ferromagnetic layer whose magnetization direction changes in accordance with a direction of an external magnetic field, a barrier layer provided on the base layer and made of insulator or semiconductor, and an emitter region provided on the barrier layer and including a second ferromagnetic layer whose magnetization direction is fixed.
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