| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2013: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Outline of Final Research Achievements |
In this research project, we have studied the coexistent state of superconductivity and quantum hall effect (QHE) by exploiting the unique electronic property of graphene. We have established a method to lower the contact resistance between graphene and NbN (type-II superconductor) by using graphene/Ti/Nb/NbN multi-layer construction, and have confirmed the proximity-induced superconducting state coexisting with QHE in graphene at high magnetic fields. Moreover, we have developed a novel probe method for the superconducting state in graphene by utilizing optically created non-equilibrium state and its relaxation.
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