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  • Re: PeakForce QNM: Issues with data on the DMT Modulus channel

    Update: I Just tried your suggestion to set the deflection sensitivity to 10 nm/V to see if that helped. At first it seemed that it did, however another strange problem started around the same time. After the system engagesand makes its initial adjustments it zooms out to a 10 micron scan as I originally set it at. Then all of a sudden a window pops
    Posted to SPM Digest (Forum) by JGunther on Wed, Apr 20 2011
  • Re: PeakForce QNM: Issues with data on the DMT Modulus channel

    Hi bede, thanks for the quick response. I tried increasing the DMT Modulus limit but it doesn't seem to do anything. I've redone the deflection sensitivity calibration on sapphire a couple of times with different probes with the same result - bad DMT Modulus data. For the ScanAsyst Air I am getting deflection sensitivities around 35 nm/V and
    Posted to SPM Digest (Forum) by JGunther on Wed, Apr 20 2011
  • PeakForce QNM: Issues with data on the DMT Modulus channel

    I'm currently trying to image a polymer blend and have had some issues with the data on the DMT Modulus channel. If you look at the trace and retrace, you see normal peaks and valleys. However, the peaks themselves are cut off. I've already gone through deflection sensitivity calibration on sapphire, did thermal tune etc. and have changed the
    Posted to SPM Digest (Forum) by JGunther on Wed, Apr 20 2011
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