This method seems to scratch the thin film polymer from the substrate.
Is there any solution to this?
There are contactless methods to measure sheet resistance, e.g.:
http://www.sheet-resistance-measurement.com
Hej!
We are experiencing same problems in our lab. If you can measure in liquid you can determine the impedance which will give you also the information about the resistance.
another option might be conductive AFM also.
Cheers!
Karen
But liquid will definitely swell the polymer film...thereby changing the conductivity
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