Surface Glass Temperature of Polystyrene measured with different Scanning Force Microscopy Methods
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Surface Glass Temperature of Polystyrene measured with different Scanning Force Microscopy Methods

Surface Glass Temperature of Polystyrene measured with different Scanning Force Microscopy Methods

Force Measurement: Sensor

Force measurement: detection

Scanning Force Microscope: Instruments

Operation of the Pulsed Force Mode

Experimental Setup for Pulsed Force Mode Measurements

Schematic Model of Pulsed Force Mode

Measureing Surface Properties with the Pulsed Force Mode

Adhesion: Contact Angle

Sample and Experimental Parameters

PS 100/PMMA 100: Adhesion and Temperature

PS 100 / PMMA 100: Topography and Adhesion

Molecular Weight, Temperature and Adhesion

Why use SFM to Probe Surfaces

Experimental Setup for force Modulation

Reference System: Silicon

Force Distance Curves and Temperature

Results: Force Distance Curves

Force Distance Curves: Adhesion

Amplitude Spectra Silicon and PS 100

Amplitude Spectra: Low and High Frequencies

Temperature Changes in the Spectra

Amplitude Changes as a Function of Temperature

Frequency Shifts as a Function of Temperature

Model for the fit

Stiffness: PS 2k

Stiffness. PS 6k

Stiffness: PS 100k

Interpretation

Summary

Thanks

 

Please send questions or comments to: othmar.marti@uni-ulm.de
Copyright © 1998 Experimentelle Physik, Universitšt Ulm
Last edited: 23. Dezember 1999