| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Outline of Final Research Achievements |
Langmuir films adsorbed on liquid surfaces have attracted a great interest as the real evidence of the mono-molecular layer, which show the phase transition and critical behavior in two-dimensional system as seen in usual bulk materials. However, accurate measurements of these surface properties have been difficult, since the mechanical effect of the adsorbed mono-molecular films is easily hidden by the huge contribution of the bulk properties, such as bulk viscosity and elasticity. Recently, we succeeded in developing the new methodology of the rheology measurement with uniquely developed principle of the electro magnetically driving system. In our system, we can continuously observe the mechanical properties after once a small floating prove is set on the liquid surface. The surface viscosity could be successfully determined as a function of the concentration.
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