kelvin probe force microscopy PMNPT DiffractiveOpticalElements AtomicSteps Holes SICM Yttria_stabilized_Zirconia Gallium_Arsenide VortexCore Writing VinylAlcohol self-assembled_monolayer MolybdenumDisulfide PolymerPatterns INSP LMF Sadowski HDD BloodCell SelfAssembly DomainSwitching Genetic FAPbI3 PvdfFilm small_scan YszSubstrate Mapping NusEce SrO C_AFM ScratchMode Nanotechnology Lattice SoftSample Dimethicone