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Improving the sensitivity of scanning probe microscopy with mechanical vibrations

Authors: Eylon PerskyNaor VardiYishai Shperber, and  Beena Kalisky

Appl. Phys. Lett. 113, 173101 (2018)

Abstract: Mechanical vibrations are typically undesired in imaging systems, as they cause noise and hinder
system performance. Here, we propose to use vibrations in order to improve the sensitivity of a
scanning probe system. We model the spectral and spatial structures of the response to an induced
vibration and test our calculation on magnetic objects using a scanning superconducting quantum
interference device microscope. In our experiments, we show that imaging the response to
vibrations enhances the sensitivity of our sensor, as we detect signals that would otherwise be
below the sensor’s low frequency noise limit. Our results open the door to an effective way of
improving the performance of many imaging systems.

DOI: 10.1039/

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