![](https://1-ps.googleusercontent.com/hk/b8tsZCNUTE3rlxuaUCcwfPJBmh/nano-world.org/WS03_04/0100Abbilden/spm/content/0200stm/xbild1.pagespeed.ic.AVjr7gU43mW5CH8iNoxa.jpg) |
Copyright by Gary Larson: The Far Side |
Between the tip and the material we impress a voltage. For this reason the material has to be conductive. While the tip is directed over the surface the microscope is measuring the changes in tension which is mainly caused by changes of the topography. Finally we have a map of electrostatic conditions influenced by the topography.
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