| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
We investigated anisotropic superconducting gap with robustness against intrinsic disorder. Specific heat measurements suggest that Y5Ir6Sn18 has anisotropic superconducting gap. Specific heat in rotating magnetic field shows clear four-fold symmetry in Y5Ir6Sn18, suggesting anisotropic superconducting gap. muSR measurements indicate that time-reversal symmetry is broken in R5Rh6Sn18 (R = Sc, Y, Lu). We find seven new superconductors, SrPd2Sb2 etc. We have succeeded in performing specific heat measurements of BiCh2-based superconductors with single crystal of less than 1 mg, and revealed superconducting gaps symmetry from specific heat measurements. Thermal conductivity measurements shows existence of minor superconducting gap of Ca3Rh4Sn13, suggesting that superconducting gap is multiband.
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