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Multi-tip scanning tunneling microscopy
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<p>Multi-tip scanning tunneling microscopy (Multi-tip STM) extends <i><a href="/facts/Scanning_tunneling_microscopy/LQ4BzmwP">scanning tunneling microscopy</a></i> (STM) from imaging to dedicated electrical measurements at the nanoscale like a ″multimeter at the nanoscale″. In materials science, nanoscience, and nanotechnology, it is desirable to measure electrical properties at a particular position of the sample. For this purpose, multi-tip STMs in which several tips are operated independently have been developed. Apart from imaging the sample, the tips of a multi-tip STM are used to form contacts to the sample at desired locations and to perform local electrical measurements. </p>