Force Imaging
Force Calibration Mode
Rev. D
Dimension 3100 Manual
209
13.2.1 Example Force Plot
A Contact Mode AFM force plot using a silicon nitride tip is the most simple SPM force plot.
Because of the lower spring constant of silicon nitride tips, they are very sensitive to attractive and
repulsive forces. A force plot in Contact Mode AFM is shown in
.
compares portions of the force curve shown in
tip and sample at seven points. The force curve represents the deflection signal for each complete
extension-retraction cycle of the piezo (
Z scan rate
parameter in the
Main
Controls
panel defines the rate at which the piezo completes an extension-retraction cycle (and
therefore the rate at which new curves are displayed).
Summary of Contents for Dimension 3100
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