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Scanning Tunneling Microscopy


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Scanning Tunneling Microscopy

  1. 1. Scanning Tunneling Microscopy Scanning Techniques and Fast Fourier Transform
  2. 2. Easy Scan <ul><li>Software enabling researchers to view and clarify sample </li></ul><ul><li>Carefully place sample near the tip </li></ul><ul><li>Allow computer to “approach” the sample </li></ul><ul><li>Scan should appear </li></ul><ul><li>Green light- approach is done and successful </li></ul><ul><li>Red light- the sample crashed into tip </li></ul>
  3. 3. Easy Scan continued…
  4. 4. Fourier Transform
  5. 5. The Math Behind It All…
  6. 6. Filtering Techniques
  7. 7. Filtering Techniques, cont…
  8. 8. What We Have Access to…