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fundamental research for observation of organic molecular crystal with atomic resolution using scanning transmission electron microscopy

Research Project

Project/Area Number 26600084
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Crystal engineering
Research InstitutionKyoto University

Principal Investigator

Haruta Mitsutaka  京都大学, 化学研究所, 助教 (00711574)

Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
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)
Keywords高分解能電子顕微鏡法 / STEM / 有機結晶 / 走査型透過電子顕微鏡 / 有機分子結晶 / 電子顕微鏡
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.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (4 results)

All 2017 2016 2015

All Presentation (4 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results)

  • [Presentation] ADF-STEM像コントラストの検出角依存性2017

    • Author(s)
      治田充貴、富崎友里子、根本隆、倉田 博基
    • Organizer
      第73回日本顕微鏡学会学術講演会
    • Place of Presentation
      札幌
    • Year and Date
      2017-05-30
    • Related Report
      2016 Annual Research Report
  • [Presentation] High energy resolution EELS of copper phthalocyanine crystals2016

    • Author(s)
      Hiroki Kurata, Yoshifumi Fujiyoshi, Yuriko Tomisaki, Takashi Nemoto, Mitsutaka Haruta
    • Organizer
      The 16th European Microscopy Congress
    • Place of Presentation
      Lyon, France
    • Year and Date
      2016-08-23
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 有機結晶の高エネルギー分解能EELS2016

    • Author(s)
      倉田博基、藤吉好史、富崎友理子、根本隆、治田充貴
    • Organizer
      第72回日本顕微鏡学会学術講演会
    • Place of Presentation
      仙台
    • Year and Date
      2016-06-14
    • Related Report
      2016 Annual Research Report
  • [Presentation] 有機結晶のSTEM観察2015

    • Author(s)
      治田 充貴
    • Organizer
      日本顕微鏡学会 超高分解能顕微鏡法分科会 2014年度研究会
    • Place of Presentation
      マホロバ・マインズ三浦
    • Year and Date
      2015-02-20 – 2015-02-21
    • Related Report
      2014 Research-status Report
    • Invited

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Published: 2014-04-04   Modified: 2018-03-22  

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