Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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Outline of Final Research Achievements |
In order to clarify the superconducting mechanism of iron-based superconductors, we have improved an ultrahigh-resolution photoemission spectrometer. By using this apparatus, we have performed systematic photoemission spectroscopy study of the electronic structure in various iron-based superconductors. The obtained results suggest an important role of spin fluctuations for the superconductivity. Our results also provide new insights into the electronic phase diagrams of iron-based superconductors. Besides performing photoemission, we have fabricated thin films of iron selenide and succeeded in converting non-superconducting multilayer films into high-temperature superconductors as a consequence of successful electron doping.
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