5
MEASUREMENT OPERATION
5-150
TMPM5200-2
■
I-V meas
The
the
obse
The fo
re for I-V measurement.
1.
Obse
Both
age are usually acquired to determine a
ed on some
2.
C
rs
w
urement
I-V measurement on the surface of a specimen is as commonly used as
rvation of a current image.
llowing is the procedu
rve a current image and grab it.
a topography image and a current im
point for measurement, but it is easier to determine the measurement point on a
current image because there are points where no current flow is observ
specimens.
lick on the Probe button in the Advanced tab of the SPM Paramete
indow.
The Tip window opens.
3
4.
C
r
posi
.
Click on the Tip Retract button to select it.
lick on the Position button in the Tip window.
The Tip window will close and the Tip position window will open. Move the curso
to the current image in the Display Window; then the cursor changes to a hand mark.
The present cantilever position is indicated by the “
+
” mark. Usually, the initial
tion is the top-left corner of the frame.
Current
image
Topography
image
Red line
Cantilever position
Cursor
Green line