food Roughness PinpointPFM Vortex Morphology PVAC AAO Zhi Wildtype MembraneFilter Thermoplastic_polyurethane Graphite amplitude_modulation Device ScanningTunnelingMicroscopy NUS_NNI_Nanocore SurfaceChange HfO2 StyreneBeads Sio2 SPMLabs ElectrostaticForceMicroscopy MoirePattern CaMnO3 AM_SKPM CeramicCapacitor Temperature Adhesive MfmPhase temperature controller AFM Patterns Scanning_Thermal_Microscopy HydroGel hetero_structure pulsed_laser_deposition