| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
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| Outline of Final Research Achievements |
Crystal defects have significant influence on properties of various materials such as melting point and electric conductivity. Therefore control the defect is quite important technique. The defect often caused by contamination due to impurity. Though many models of exclusion of impurity are proposed, it is difficult to observe that exclusion process directly.And, the colloidal crystallization has extensively been studied as models to study phase transition in general1 over the past few decades.
Here, we report the behavior of "impurity" particles, which were added to the charged colloidal crystals. In the case of the impurity particles are much smaller than the main component, they were present in the stable area around the particles which form the crystal structure. Despite impurities were excluded from the crystals during the homogeneous crystallization, crystal grain growth, and unidirectional crystallization processes when they have larger diameter.
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