| Budget Amount *help |
¥44,720,000 (Direct Cost: ¥34,400,000、Indirect Cost: ¥10,320,000)
Fiscal Year 2019: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2018: ¥7,020,000 (Direct Cost: ¥5,400,000、Indirect Cost: ¥1,620,000)
Fiscal Year 2017: ¥15,340,000 (Direct Cost: ¥11,800,000、Indirect Cost: ¥3,540,000)
Fiscal Year 2016: ¥15,860,000 (Direct Cost: ¥12,200,000、Indirect Cost: ¥3,660,000)
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| Outline of Final Research Achievements |
As an evaluation technique of local critical current (Ic) of high Tc superconducting (HTS) wire, we succeeded in developing a high-speed reel-to-reel magnetic microscopy with practical level of measurement speed. Continuous Ic evaluation under high magnetic field comparable to practical operation conditions, and measurement technique of the electric field dependence were also developed. Based on these comprehensive characterization techniques, the practical performance of the HTS wires were successfully improved significantly. Furthermore, we developed a modeling technique of current transport characteristics in long HTS wires under the influence of local inhomogeneity, and proposed a new conductor architecture excellent in robustness based on the analytical results.
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