| Budget Amount *help |
¥19,110,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥4,410,000)
Fiscal Year 2011: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2010: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2009: ¥7,150,000 (Direct Cost: ¥5,500,000、Indirect Cost: ¥1,650,000)
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| Research Abstract |
Atomic scale controlled transition metal oxide heterostructures are becoming a platform for exploring novel electronic ground states. Here, we focus on high-mobility electron gas systems confined on the atomic scale using transition metal oxides. We succeeded in controlling the conductivity of the metallic interface between two insulators LaAlO_3/SrTiO_3 by external voltage or adsorption of polar molecules. In the case of an ultrathin n-type SrTiO_3 confined between insulating SrTiO_3, we observed two-dimensional quantum oscillations and two-dimensional superconductivity.
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