| Budget Amount *help |
¥42,120,000 (Direct Cost: ¥32,400,000、Indirect Cost: ¥9,720,000)
Fiscal Year 2018: ¥10,790,000 (Direct Cost: ¥8,300,000、Indirect Cost: ¥2,490,000)
Fiscal Year 2017: ¥13,520,000 (Direct Cost: ¥10,400,000、Indirect Cost: ¥3,120,000)
Fiscal Year 2016: ¥17,810,000 (Direct Cost: ¥13,700,000、Indirect Cost: ¥4,110,000)
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| Outline of Final Research Achievements |
The water vapor in the air can cover solid surfaces in a thickness of a few nm, which is named “nanometer-thick water film”. We found that a firm network of water molecules was formed in the hydration layers of the nanometer-thick water film on the solid surface. In addition, defective structures of the network persisted from the first hydration layer to the second hydration layer over the solid surface. The nanometer-thick water film was revealed to be “quasi-liquid” over the solid surface, which means the intermediate state between solid and liquid. Using the frequency modulation atomic force microscope (FM-AFM) developed in this research, we successfully obtained images of the network over the surface with atomic and molecular resolutions.
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