Agilent Technologies E5500 Series User's Guide Page 27

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Introduction to the Agilent 5500 1
Agilent 5500 SPM User’s Guide 27
Figure 8 Magnetic AC mode (MAC mode)
Top MAC Mode
In standard MAC Mode the magnetic coil is located in the sample plate,
below the sample. A variant of MAC Mode, known as Top MAC, places
the drive coil above the cantilever. This enables MAC Mode to be used
with or without a sample plate, for large samples, or for samples which
tend to dissipate the magnetic field enough to affect the resolution of
regular MAC Mode.
Current Sensing Mode (CSAFM)
Current Sensing AFM (CSAFM) uses standard AFM Contact Mode,
including a special nose cone containing a pre-amp along with an
ultra-sharp AFM cantilever coated with a conducting film, to probe the
conductivity and topography of the sample. By applying a voltage bias
NOTE
Top MAC Mode is an option for the 5500 SPM and requires the
additional MAC Mode or MAC III controller, as well as a Top MAC nose
assembly.
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