piezoelectric force microscopy PvdfFilm Scanning_Thermal_Microscopy ForceVolumeImage Piranha Hole Device ScanningThermalMicroscopy SingleCrystal temperature_control Forevision Semiconductor align ScanningSpreadingResistanceMicroscopy HydroGel Self-assembledMonolayer Pyroelectric Co/Cr/Pt temp MembraneFilter Solar mfm_amplitude LightEmission FuelCell FrictionForce SICM ThinFilm high_resolution Collagen Cross-section Copolymer hard_disk Ram SPMLabs HACrystal