Agilent Technologies E5500 Series Guia do Utilizador Página 174

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MAC III Mode 11
Agilent 5500 SPM User’s Guide 174
alignment procedure the Pass Through boxes will be selected to allow
the correct signals to pass through to the Laser Alignment window.
STM
STM does not require any MAC III-specific controls.
LFM
Contact mode does not require any MAC III-specific controls.
DLFM
In DLFM mode, Lock-in 1 is used to oscillate the tip in the direction of
the scan parallel to the sample surface, with the Friction channel as its
input. The Drive Mechanism is set to AAC. Cantilever deflection is
controlled as in Contact Mode.
Choose Mode > DLFM, then choose Controls > AC Mode to open the
DLFM Controls window:
Figure 118 DLFM Controls window
CAUTION
The piezo element used to oscillate the cantilever in the DLFM nose
assembly is partially exposed; therefore, DLFM should never be used for
imaging in liquid.
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