pinpoint mode Polytetrafluoroethylene Change heterojunctions OrganicSemiconductor Floppy SPMLabs C60H122 PolycrystallineFerroelectricBCZT TiO2 FAFailureAnlaysis WWafer semifluorinated_alkanes Optical hetero_structure FailureAnalysis Cell FAPbI3 NusEce Magnetic Force Microscopy Ram ElectroDeposition Dr.JurekSadowski Copolymer self-assembled_monolayer Fluoride GaN Permalloy vertical_PFM Adhesion CeNSE_IISc Solar SmalScan ThinFilm EPFL