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The application of Electrostatic Force Microscopy (EFM) on characterizing a corona charged polypropylene fiber by phase measurements was studied. Electrostatic force gradient images were obtained from the phase shifts with varied EFM tip bias voltages at a constant tip-to-sample distance, and with varied tip-to-sample distances at a constant tip bias voltage. Mathematical expressions were introduced...
The application of Electrostatic Force Microscopy (EFM) was studied in analyzing the corona-charged polypropylene fiber. Electrostatic force gradient images were obtained from the phase shifts with the varied bias voltages applied to the EFM cantilever by the noncontact scans. A mathematical expression to model the EFM phase shifts as a function of the applied tip bias voltages was introduced. EFM...
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