| Budget Amount *help |
¥20,150,000 (Direct Cost: ¥15,500,000、Indirect Cost: ¥4,650,000)
Fiscal Year 2019: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2018: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2017: ¥13,260,000 (Direct Cost: ¥10,200,000、Indirect Cost: ¥3,060,000)
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| Outline of Final Research Achievements |
We have investigated the superconducting mechanism in ultrathin iron-based superconductors and also searched for high-temperature superconductivity. By improving an angle-resolved photoemission spectrometer and a molecular-beam epitaxy system, we have grown ultrathin films of iron-based superconductors with various compositions, carrier concentrations, and thicknesses. By determing their superconducting temperatures and electronic structures, we have succeeded in achieving high-temperature superconductivity, determining the phase diagram, and uncovering exotic properties. Our detailed ARPES studies provide important insights into the mechanism of high-temperature superconductivity.
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