| Budget Amount *help |
¥20,930,000 (Direct Cost: ¥16,100,000、Indirect Cost: ¥4,830,000)
Fiscal Year 2013: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2012: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Fiscal Year 2011: ¥10,920,000 (Direct Cost: ¥8,400,000、Indirect Cost: ¥2,520,000)
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| Research Abstract |
By using a ferromagnetic semiconductor (Ga,Mn)As/nonmagnetic semiconductor p-GaAs, we have succeeded to generate spin current in p-GaAs by spin pumping and to detect it by electrical voltage induced by the inverse spin Hall effect. We have shown that the voltage is also induced by the galvanomagnetic effects in (Ga,Mn)As, and established the method for separating the voltages of different origins. We have shown that the method is applicable to metallic systems such as Py/Pt bilayers.
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