5-72
TMPM5200-2
(SKPM)(optional)
Topo
re that the image is
satisfactory; then click on the
Retract On
button to retract the tip.
Setti
Setting the bias voltage
2.
Click on the Advanced button to open the Advanced Control window.
3.
Click on the Scan tab in the Advanced Control window.
Setting the SKPM parameters
s in Section 5.4.4, “Setting the KFM
parameters.”
SKPM image
1.
Obtain a desirable topographical image (see Section 5.4.2).
2.
Stop scanning and enter the following parameters
a.
Select 2 Inputs from the Acquisition selection pull-down menu in the Scan
frame of the Advanced tab window.
■
Surface potential observation
SKPM (Scanning Kelvin Probe Microscopy) is an optional function that requires a
lock-in amplifier supplied to order. Connect the lock-in amplifier to the SPM controller
and set the software in accordance with the procedure in Section 5.2.5, “Lock-in
amplifier.”
graphical image
Observe the topographical image of a sample; make su
ng the lock-in amplifier
Carry out the same procedure as in Section 5.4.4, “Setting the lock-in
amplifier.”
1.
Input 0.000 in the Bias input box in the Bias Voltage frame of the Advanced
tab window.
4.
Check the Add External Bias signal checkbox.
Carry out the same procedure a
b.
Select SKPM from the Mode selection pull-down menu.
c.
Enter information in the Display Source frame as follows:
