We Can Figure This Out.org
Virtual Lab: Scanning Tunneling Microscope (STM)
 University of Virginia
             
 
© 2003-Present, John C. Bean
 
Here we see the movement of the Y, or vertical drive.

To allow full motion of this arm, its piezoelectric crystal simply rests upon a screw below (upon which it is free to slide front-to-back and side-to-side).

 
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