Agilent Technologies E5500 Series Guía de usuario Pagina 116

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Additional Imaging Modes 7
Agilent 5500 SPM User’s Guide 116
located beneath the tip, can be field-replaced to adjust the sensitivity if
necessary.
Figure 81 STM scanner
The procedure for STM imaging is as follows:
1 If you are using the multi-purpose scanner, insert the nose assembly
into the scanner (see Chapter 4 for details).
2 Insert a tip into the nose assembly or scanner. Grasp the tip with a
tweezers, then insert it into the hollow tube until it protrudes
approximately 2 mm (Figure 82).
Figure 82 Inserting STM tip wire in scanner
3 Place the scanner in the scanner bracket on the microscope.
4 Prepare the sample and place it on a sample plate. The sample must
be electrically isolated from the sample plate. The particular
mounting arrangement will depend on the sample type and size.
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