Agilent Technologies E5500 Series Guia do Utilizador descarregar pdf (Página 116)

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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Agilent Technologies E5500 Series Guia do Utilizador Página 116