5-116
TMPM5200-2
Preca
FM image
Since the cantilever torsion is observed statically, unevenness of the specimen surface
affects the friction force image. Therefore, you must also observe the topography image
To
ect of the unevenness of the specimen surface, it is recommended that
y
nt.
The
the
repul
specim
ntrast, try changing Reference/V a little to the positive side to make
the r
In additio
function
detailed in
■
Current im
An ampl
ad unit. You can acquire a
c
More
I-V measurement at a specified point of the specimen.
Preparati
•
Af
h sides
ctivity is kept between the cantilever and the cantilever holder. Use
antilever
utions in observing F
simultaneously in order to properly evaluate the FFM image.
reduce the eff
ou use the optional Lateral Modulation FFM attachme
contrast of an FFM image is affected by the scanning speed (Clock/ms) and
sive force between the specimen surface and the cantilever tip (Reference/V). For a
en with less co
epulsive force larger.
n, you can adjust the brightness of a grabbed image using the image processing
(Brightness/Contrast).
Other general cautions, grabbing, storing and processing of an image are
Chapter 6, “Analysis Operation”.
age observation
ifier for current detection is built in the AFM he
ontact current image as well as a topography image using a conductive cantilever.
over, you can carry out an
on for Current Image Observation
fixing a cantilever for JSPM-5200/JSPM-5700
Use a conductive cantilever such as a Si cantilever or a cantilever with bot
coated with gold. Affix the cantilever on a non-contact cantilever holder. Make sure
that good condu
conductive paste such as Conductive paste especially for a gold-coated c
since the conductivity between the front face and the rear face is not so good.
Base
Gold-coated
sur face
Conductive paste
Piezoelectric
element for
vibration
Side of
glass base
200.
——
re not to apply the conductive paste to the canti-
a cantilever, be sure to
using the reflected laser
The figure above is for the JSPM-5
CAUTION ———————
When applying conductive paste to the cantilever and the cantile-
ver holder, be su
lever piezoelectric element. When replacing
confirm that no previously used conductive paste remains on the
holder. Otherwise, the cantilever will tilt, ca
beam not to irradiate the right position.
