| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2013: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Outline of Final Research Achievements |
The pressure-induced amorphization of tetrahydrofuran-clathrate-hydrate, THF-CH, and the polyamorphic transition of the amorphized THF-CH were studied. The effect of the existence of THF molecules on the polyamorphic state of solvent water was discussed from a viewpoint of water polyamorphism. It is found that the THF molecules unstabilize the HDA-like structure of solvent water and stabilize the LDA-like structure. This result suggests that the water polyamorphism relates deeply to the formation of clathrate structure and the segregation of aqueous solution at low temperatures.
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