ScanningKelvinProbeMicroscopy PyroelectricDetector Conduct ForceMapping Ptfe CHRYSALIS_INC ElectrostaticForceMicroscopy GalliumPhosphide Yeditepe StyreneBeads SetpointMode Alloy Piezoresponse HexacontaneFilm pinpoint mode AEAPDES Tin disulfide MolecularSelfAssembly Collagen Ram Gold Forevision MetalCompound alkanes SICM ConductiveAFM Polyethylene BTO Singapore IISCBangalore Nickel silicon_carbide Liquid Ferroelectric UnivOfMaryland