LaAlO3 FrictionalForceMicroscopy VortexCore PolyStylene Tin disulfide PhaseImaging HiVacuum Sulfur KelvinProbeForceMicroscopy LeakageCurrent bias_mode Layer TiO2 Graphene Vortex Polarization PvdfFilm Polyurethane Polyethylene FailureAnlaysis PolycrystallineFerroelectricBCZT AIN SRAM C60H122 FrictionalForce NTU Forevision Indium_tin_oxide Strontium F14H20 TungstenThinFilmDeposition exfoliate Resistance AmplitudeModulation MagneticForceMicroscopy