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  • PFT and Cycle Averaging

    The cycle averaging of Tapping limits performance because 1) the high resolution tip-sample interaction only occurs when the tip is close to the sample, and this is a fraction of the cycle, and 2) at low imaging forces, the effects of long range forces dominate the cycle. (This is also why atomic Tapping images are done in fluid. . . eliminate the long
    Posted to Other (MediaGallery) by Stephen Minne on Thu, May 3 2012
  • Dimension FastScan 22Hz Celgard(R) Image

    It’s good to see some community attempts at replicating the performance of the Dimension FastScan. The screen shot below is of a 1um, 512x512, 22Hz, Video of Celgard® taken with the Dimension FastScan (Video link at end). This demonstration is over twice as fast as the 10Hz video we show above. As you start to see different images and movies
    Posted to Other (MediaGallery) by Stephen Minne on Sat, Jun 11 2011
  • Tip Check on Dimension FastScan

    This experiment shows 275, 5um, 1024x1024 pixel image, taken at 17Hz (170um/s tip velocity). Each image is analyzed using the blind reconstruction method in the NanoScope SW to determine the estimated tip diameter, and is plotted versus image number. The results show that over this entire 270 image sequence, the tip remains extremely sharp and virtually
    Posted to Other (MediaGallery) by Stephen Minne on Mon, May 9 2011
  • Celgard Images: Magonov and Whangbo, VCH (1996)

    Excerpts of Figure 13.25 and 13.29 from Magonov and Whangbo,"Surface Analysis with STM and AFM," VCH (1996). See video: for FastScan images
    Posted to Publications (MediaGallery) by Stephen Minne on Fri, May 6 2011
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