| Budget Amount *help |
¥17,940,000 (Direct Cost: ¥13,800,000、Indirect Cost: ¥4,140,000)
Fiscal Year 2011: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2010: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2009: ¥9,620,000 (Direct Cost: ¥7,400,000、Indirect Cost: ¥2,220,000)
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| Research Abstract |
Origin of the large oxygen permeability in the doped praseodymium nickel oxide(Pr_<0. 9> La_<0. 1>)_2(Ni_<0. 74> Cu_<0. 21> Ga_<0. 05>) O_<4+δ> has been investigated at atomic and electronic levels. Using the high-temperature neutron diffractometry, we found that the oxide ions in(Pr_<0. 9> La_<0. 1>)_2(Ni_<0. 74> Cu_<0. 21> Ga_<0. 05>) O_<4+δ> diffuse two dimensionally through the interstitial site, which is responsible for the high oxide-ion diffusivity.
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