| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2014: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Outline of Final Research Achievements |
In this research, we focused on fundamental research for observation of organic molecular crystal with atomic resolution using Annular Dark-Field (ADF) Scanning Transmission Electron Microscopy(STEM). In general, organic molecular crystal has characteristic structure compare with inorganic crystal. For example, large unit cell size and large thermal factor. We focus on these points and investigate the difference in ADF-STEM image related to such effects using experimental and simulated images. In particular, we mainly investigated dependence of detection angle on Annular Dark-Field (ADF)-STEM atomic image contrast for organic and inorganic crystal. As a result, contrary to expectations, such differences do not mainly affect the coherency and angle dependence of ADF-STEM image contrast. And it was found that only angle dependence of atomic scattering factor for electron simply affects the angle dependence of ADF image.
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