| Budget Amount *help |
¥44,720,000 (Direct Cost: ¥34,400,000、Indirect Cost: ¥10,320,000)
Fiscal Year 2020: ¥9,100,000 (Direct Cost: ¥7,000,000、Indirect Cost: ¥2,100,000)
Fiscal Year 2019: ¥11,310,000 (Direct Cost: ¥8,700,000、Indirect Cost: ¥2,610,000)
Fiscal Year 2018: ¥11,310,000 (Direct Cost: ¥8,700,000、Indirect Cost: ¥2,610,000)
Fiscal Year 2017: ¥13,000,000 (Direct Cost: ¥10,000,000、Indirect Cost: ¥3,000,000)
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| Outline of Final Research Achievements |
Hydrogen is involved in the Earth's oceans as liquid water. Hydrogen is also involved as cations in solid minerals occurring in the Earth's mantle. There are two types of hydrogen cations involved in these mantle minerals; hydrogen as a stoichiometric component, or hydrogen as a non-stoichiometric component filling the defects of the other cations. In this project, crystallography of hydrogen in a series of mantle minerals of mostly the latter type is established by applying neutron scattering analysis using strong pulsed neutron sources. In addition, chemical dynamics of hydrogen in crystal structures of some hydrous mantle minerals is determined by applying quasi-elastic neutron scattering analysis.
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