| Budget Amount *help |
¥20,150,000 (Direct Cost: ¥15,500,000、Indirect Cost: ¥4,650,000)
Fiscal Year 2014: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2013: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2012: ¥13,390,000 (Direct Cost: ¥10,300,000、Indirect Cost: ¥3,090,000)
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| Outline of Final Research Achievements |
We performed high-pressure studies on crystal structure for iron-based superconductors. We installed a new refrigerator at beam line BL-18C in KEK-PF, which can realize precise x-ray diffraction measurements under high pressure and at low temperature, since we could sufficiently suppress the vibration generated by refrigerator. We measured pressure dependence of Tc for 1111-type iron-based superconductors prepared by Prof. Hideo Hosono’s group. Large pressure dependences of Tc were found for these materials. We discussed these results from the structural view point.
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