ISSN:
1089-7623
Source:
AIP Digital Archive
Topics:
Physics
,
Electrical Engineering, Measurement and Control Technology
Notes:
An automatic initial approximation system for a scanning tunneling microscope is presented. The device includes a dc motor that is fed by pulses, so that it performs as a stepping motor. A full description of the circuit is given. It is much simpler than the circuit for a true stepping motor, and it is designed to stop motion as soon as a tunneling current appears, thereby avoiding a tip crash.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.1142385
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