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Standard sample for Kelvin probe microscopy

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Karin Vels posted on Thu, Nov 25 2010 11:46 PM

I need a robust standard sample for Kelvin probe microscopy. Is it possible to buy such a sample? Or what would be the best design of it?

 

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Bruker Employee
Suggested by Bede Pittenger

Hi Karin,

For Kelvin Probe measurements I always find the best "standard" sample is simply an interdigitated electrode sample that you can apply user selected bias to and then read out in the Kelvin Probe measurements. Even simpler is to use something like HOPG that is electrically connected to the AFM chuck and again verify you measure changes in KP mode that you apply to the sample bias parameter.

Ian

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