５
MEASUREMENT OPERATION
TMPM5200-2
5-135
Sour
•
W
graphy image
the current constant.
1.
Select the STM radio button at the left bottom of the STM tab window.
2
ce (Selection of the acquired image type)
hen you observe a topo
This image is the constant current mode for observing the topography of a specimen
while keeping
.
Click on the
button in the Source 1 selection box and select Topography.
lick on the
3.
C
button in the Source 2 selection box and select None.
4.
Click on the
button in the Source TOPO selection box and select 1.
you observe a current image
can observe a current image by obtaining the current c
•
When
You
hange as an image while
n the cantilever and the specimen constant.
5.
Select the STM radio button at the left bottom of the STM tab window.
6.
Click on the
keeping the distance betwee
button in the Source 1 selection box and select Log Current
from the pull-down menu
7.
Click on the
.
button in the Source 2 selection box and select None.
8.
Click on the
button i
o
ction box and select 1.
9.
Click on the
n the S urce TOPO sele
button in the Filter [Hz] selection box and select 0.5 or less
from the pull-down menu.
When observing a current image, you keep the height of the cantilever constant and
usually observe the image p orm
a sl
elect a slower response for
the feedback than that used for observing a topography image.
erf
ing
ow feedback. S
