The Nanoscale World


  • Question about the dependence of spring constant

    Hello. I used two kinds of cantilever, 2.8N/m and 40N/m. Then, the different phase images were given. When I used one that spring constant is 40N/m, there was no phase lag in hard segment region. But there was phase lag when I used another one that spring constant is 2.8N/m. I seem like that the two phase images are inverted. Is this true phenomenon
    Posted to SPM Digest (Forum) by Yuki Takahashi on Thu, May 8 2014
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