| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2014: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2012: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Outline of Final Research Achievements |
In this research, we have investigated the real-space electronic structure in Fe1+dTe1-xSex by scanning tunneling microscope. In a parent material Fe1+dTe, we have found the unidirectional electronic structure and isosceles triangular structure around excess Fe atoms. The spatial symmetries of both electronic structures are identical with that of the underlying AFM order. These results can be well-explained by the theoretical model in which the Fund’s rule on each Fe site dominates the electron hopping process. This suggests that the electronic properties in this system are governed by the strength of Fund’s coupling on each Fe site.
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