| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2009: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2008: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
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| Research Abstract |
An experimental method has been established to determine easily and accurately whether the order parameter includes the f-electron multipoles in low temperature ordered states in rare-earth compounds by nuclear specific heat measurements. Using this method, various ordered phases in rare earth compounds including filled skutterudites have been explored. In PrRu_4P_<12>, we have found a quite rare state where "4f-electron-nuclear hyperfine-coupled multiplets" (formed by the hyperfine interaction between the 4f electron magnetic moment and the nuclear spin in a Pr ion) forming a lattice in the crystal lattice. This is the first thermodynamical observation of its kind.
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