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Published in:
2017 | OriginalPaper | Chapter
14. Electrostatic Friction
Authors : Aleksandr I. Volokitin, Bo N.J. Persson
Published in: Electromagnetic Fluctuations at the Nanoscale
Publisher: Springer Berlin Heidelberg
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Abstract
We consider the effect of an external bias voltage and the spatial variation of the surface potential on the damping of cantilever vibrations. The electrostatic friction is due to energy losses in the sample created by the electromagnetic field from the oscillating charges induced on the surface of the tip by the bias voltage and spatial variation of the surface potential.