AtomicLayer Piranha PFM UnivMaryland Piezoresponse small_scan Dimethicone alkanes PhaseChange Hexylthiophene CalciumHydroxyapatite ImideMonomer FailureAnlaysis SiWafer Logo Electrode Edwin Beads PinpointPFM Force-distance LaAlO3 Scratch Modulus Sperm Microchannel CP-AFM Hafnia Polyurethane PiezoelectricForceMicroscopy NanoLithography Hole Gong Insulator self-assembled_monolayer SAM