Contact electrification studies of muscovite mica using surface amplitude modulated (AM) surface potential microscopy (KFM)

College

College of Science

Department/Unit

Physics

Document Type

Conference Proceeding

Source Title

DLSU Research Congress 2017

Publication Date

6-2017

Abstract

Surface potential images of muscovite mica were taken using Amplitude Modulated Kelvin Force Microscopy (AM-KFM). Using this method, both topographic height and potential maps of the mica surface were taken simultaneously. The mica samples were rubbed by clean room type cotton q tip to generate contact electrification or CE. Carpet like formations on the surface with average potential of ±36mV was observed for the first time, and the charges dissipated after 3600 seconds through a grounded conductive surface.

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Disciplines

Physical Sciences and Mathematics | Physics

Keywords

Electrostatics; Muscovite

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