| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2014: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
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| Outline of Final Research Achievements |
The purpose of this research is to elucidate the underlying mechanism of the super protonic conduction realized in solid acids. Solid solutions of the solid acids were selected as the target materials in order to precisely understand the relationship between the crystal structure and the super protonic conductivity. The conductivity measurements revealed that the phase transition temperature to the super protonic conductive phase non-linearly varies as the ratio of the solid solutions were changed. Meanwhile, the crystal structure analyses by the neutron diffraction method displayed that the distortion of SeO4 tetrahedrons changes as the ratio of the solid solutions changes. This variation was also non-linear to the ratio of the solid solution, suggesting the direct relationship to the phase transition temperature.
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