| Budget Amount *help |
¥114,530,000 (Direct Cost: ¥88,100,000、Indirect Cost: ¥26,430,000)
Fiscal Year 2011: ¥12,480,000 (Direct Cost: ¥9,600,000、Indirect Cost: ¥2,880,000)
Fiscal Year 2010: ¥12,480,000 (Direct Cost: ¥9,600,000、Indirect Cost: ¥2,880,000)
Fiscal Year 2009: ¥12,480,000 (Direct Cost: ¥9,600,000、Indirect Cost: ¥2,880,000)
Fiscal Year 2008: ¥14,040,000 (Direct Cost: ¥10,800,000、Indirect Cost: ¥3,240,000)
Fiscal Year 2007: ¥63,050,000 (Direct Cost: ¥48,500,000、Indirect Cost: ¥14,550,000)
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| Research Abstract |
We first succeeded in generating static ultrahigh-pressure and-temperature conditions. We also developed new experimental methods to determine electrical and thermal conductivity and element partitioning at high pressure and temperature. With such techniques, we determined properties of the deep lower mantle and the phase relations in Fe and FeO at core pressures and temperatures. These results clarified the density crossover between melt and solid in the deep mantle, the cause of change in length of a day in decadal timescales, possible stratification in the outer core, and the crystal structure of inner core material.
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