ContactMode pinpoint mode LeakageCurrent self-assembly non_contact vertical_PFM fifber SoftSample BCZT PtfeMembrane STO optoelectronics Barium_titanate domain_switching MetalCompound Piranha Filter food OrganicCompound Polytetrafluoroethylene fluoroaalkane HexagonalBoronNitride Boundary Switching IRDetector I-VSpectroscopy Styrene amplitude_modulation TappingMode SolarCell AtomicLayer ScratchMode Growing Korea ElectroDeposition