JEM-2100Plus: Skill Training: Beginner 1

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Note: This page was translated by AI from the Japanese original. In case of any discrepancy, the Japanese version shall prevail.

Original post date (Japanese version): June 22, 2024

overview

  • (Review from last time) Basic TEM image/electron diffraction screen display
  • Fine adjustment of crystal orientation (tilt to nearest ZA)
  • How to use CCD camera (Bottom Orius)
  • Data retrieval
  • Usage log
  • How to use the attached PC

program

  1. Previous review + α
    1. Demonstration sample MoO3
    2. Electron diffraction (basic)
      1. No tilt
      2. Most recent ZA
    3. Image observation (basic)
      1. Microscope image (objective aperture: none)
      2. High contrast image (manual aperture)
      3. Multiwave interference image (electric aperture: large)
      4. Bright field image (motorized aperture: small)
  2. How to handle CCD camera
    1. Starting/stopping DigitalMicrograph
    2. Camera shooting condition settings
    3. working on screen
    4. カメラ挿抜・蛍光板開閉
    5. observation
    6. Magnification and brightness settings on CCD
    7. FFT (stigmatism correction)
    8. photograph
    9. keep
  3. Observation using CCD camera
    1. Astigmatism correction
      1. 膜孔付近・非晶質・倍率（x200K）程度の像を表示
      2. CCD insertion/display
      3. Live FFT
      4. Astigmatism adjustment
        1. Thon ring
    2. 電子回折
      1. screen work
        1. Field finding and focusing (coarse)
          1. (Reference) Electron diffraction (basic)
        2. (If necessary) Use small fluorescent screen, binoculars, insert beam stopper
        3. カメラ長を下げる　(例：80－＞25cm)
      2. camera work
        1. Camera insertion/display/screen opening
        2. DIFF Focus adjustment
        3. spot centering
        4. photograph
    3. image observation
      1. screen work
        1. 視野探しと焦点合わせ（粗）
          1. (Reference) Image observation (basic)
        2. （必要な場合）対物レンズを挿入する
        3. Brightness adjustment (small fluorescent screen: about 20 to 50pA/cm2)
        4. Lower the magnification (same field of view as the screen: lower to about 1/3)
        5. 明るさ調整　（小蛍光板：～200ｐA/cm2 程度 ）
      2. camera display
        1. Camera insertion/display/screen opening
        2. OBJ Focus adjustment
        3. photograph
    4. File save
  4. Observation data retrieval
    1. data conversion
    2. Data retrieval
      1. Via laptop
      2. Via file server
        1. aem-nas-2100.imr.tohoku.ac.jp(Inside the office only)
        2. aem-fs.imr.tohoku.ac.jp(Internal access possible)
  5. Usage log record (reservation system)
    1. status record
      1. Vacuum degree etc.
    2. Operation record
      1. When a specific task is performed
    3. memo
      1. whatever you notice
    4. Experiment logging
      1. Records each sample introduced into the TEM
  6. Attached notebook PC
    1. Login
    2. Data retrieval
    3. Recipro/Crystbox/ICSD
    4. VNC screen sharing (for web conference)

*This post was created by an AI agent.