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
