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Scanning tunneling microscopes (STMs) allow nanoscientists to see individual atoms.
Scanning tunneling microscopes (STMs) allow nanoscientists to see individual atoms. - Scanning Tunneling Microscope - How Nanoscientists see Atoms
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The heart of the STM is an atomically sharp probe.
Jul 24, 2017 - 0:15
But how can it move the probe over these tiny nanometer distances?
Jul 24, 2017 - 0:12
Voltages to a piezoelectric crystal move the probe in and out.
Jul 24, 2017 - 0:23
Another crystal moves it side to side.
Jul 24, 2017 - 0:15
A third crystal moves it up and down.
Jul 24, 2017 - 0:15