| Budget Amount *help |
¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2014: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2013: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
To elucidate the details of the magnetoresistance effects of conducting single-molecule magnets (SMM), [TbPc2]Ix (Terbium = Tb, Phthalocyanine = Pc, Iodine = I), which is robust to various physical property measurements, was studied. We produced a crystal of TbPc2, which has stable redox properties, by using an electrolytic oxidation crystallization method in the presence of iodine.
[TbPc2]Ix has uniaxial magnetic anisotropy along the c-axis in the crystal structure, and magnetic hysteresis was observed at 18 K. The semiconductor behavior reflects the observed electronic structure. In addition, it behaves as an SMM, which undergo slow relaxation of the magnetization. Spin-dependent conductivity correlated to the temperature dependence of the magnetic hysteresis. In other words, using [TbPc2]Ix, the magnetoresistance effect of conducting SMMs was observed for the first time.
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