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Scanning Electrochemical Microscopy: Feedback Approach Curve

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substrate
insulating
conductive
finite kinetics
distance d
radius a
finite kinetics of conductor substrate
rate constant k
This Demonstration shows the current at the tip as a function of distance in scanning electrochemical microscopy (SECM) feedback mode. Three cases are shown: negative feedback, positive feedback with infinite kinetics, and conducting substrate with finite kinetics.
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