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(Re-)building a Scanning Tunneling Microscope (STM).

We are currently in the process of getting an STM back up and running. The hardware was inherited from a past project by one of our members, where it successfully imaged sample surfaces. Now we are trying to improve on those past results.

[Current working state of the experiment]

STM key information

Mechanics

Thread pitch of micrometer screws (according to lab book 16.3.2012):

  • Front 0,25mm per round
  • Back is hence 0,0125mm per round or 12,5µm
Electronics
Piezos

Other Projects

There are quite a few other DIY/open STM builds out there. Here are a few links for further reading: